fully factoring

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Is this a parabola?

1yr ⋅

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Is This A Valid Solution for Summation Notation?

7mo ⋅

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How is it simplified into cos(x)+1? What identity am I missing out?

1yr ⋅

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I have to say if this integral is convergent or not and nothing i try works. I think it doesn't, but can't explain why

1yr ⋅

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How do you get from 24 to 49 and 3 to 16 in these equations? The denominators are squared but whats happening to the numerator?

1yr ⋅

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Is there a way to quickly count how many times can a number fit in another number. Eg. in a set of 5 dots, 0 can be arranged 1 different ways, 1 can be arranged 5 different ways, 2 can be arranged 10 different ways, 3 is 10, 4 is 5, 5 is 1. No spot may be overlap and symmetrical positions count as 2

1yr ⋅

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Anyone know what the function for this graph could be??

1yr ⋅

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I have a math calendar, which I absolutely love (hint: the answer is the day). Can someone explain the notation for today (September 15th)?

3yr ⋅

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Simple question

5mo ⋅

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Im losing my mind on trying to solve this arithmetic qn... how do i show that x equals one plus squareroot 5 over two?

2yr ⋅

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been fighting with my math teacher which one is correct

6mo ⋅

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solving 4th degree polynomials

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Urban exploration math find in the dust. Can someone math- brained tell me if there's anything to this or it's just nonsense?

1yr ⋅

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Does anyone have any idea how can I go about solving this?

7mo ⋅

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How to go about this problem?

3wk ⋅

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What equation/formula comes from this table of values? Can't seem to wrap my head around it...

2yr ⋅

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help regarding one sided limit problem

1yr ⋅

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Why can't I use this property of logarithms in this situation?

5mo ⋅

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Is w 130, z 50, x 25, and y 130?

2yr ⋅

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Help!! Not sure how to start this. Thanks

2yr ⋅

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I tried to graph sin(x) = sin(xy) and...

4yr ⋅

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What's the correct answer!?

4yr ⋅

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What exactly does even-numbered mean here? Is the code an even number or are the digits in the code even numbers?

1yr ⋅

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I’m a grown man with no idea how to help my 6th grade daughter with her homework. Please help.

1yr ⋅

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hi I’m having some trouble with this

2yr ⋅

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How do I solve something like this, I have no idea how to begin?

1yr ⋅

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How does this limit equals to zero?

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What am I doing wrong here?

2yr ⋅

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how can i prove that every term is equal to less then 3?

2yr ⋅

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How to prove that AD = 1/3 of BD?

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Why is this proposition wrong?

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Can someone help me solve this question

1yr ⋅

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what is wrong with this? solves any number equal to zero

1yr ⋅

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Can someone solve this SAT question?

2yr ⋅

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Mathematicians - what would be the best way to guess the number of candy corns and pumpkins (seperate counts) inside of this jar? This is the only image I have, and I have not seen it physically.

2yr ⋅

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The exact value of 1/1!-1/2!+1/3!-1/4!+.....

1yr ⋅

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Middle School Algebra- Quadratic equation solving for a variable when give that the roots of the equations are the same.

1yr ⋅

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An exponential trigonometric problem!

5mo ⋅

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How this math works out?

2yr ⋅

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what exactly is this question asking? i’ve tried plugging it into the equation

8mo ⋅

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Why do these terms simply like this?

6mo ⋅

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How exactly did they factor the given equation?

8mo ⋅

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How are the authors of my textbook factoring out the square of this complicated function? I would love to learn this trick!

1yr ⋅

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Am I just stupid, or is the answer correct answer wrong?

3yr ⋅

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Where does the 6t come from? I thought differentiating 3t^3 would be 9t^2?

6mo ⋅

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Limit for the sequence

2mo ⋅

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Can anyone help me with this problem i saw online

9mo ⋅

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can someone explain my professor’s annotation? i’m not sure what i did wrong here (alternating series test)

1yr ⋅

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Answer is B but i’m not sure how to manipulate the integral to be able to integrate. Halp. pls.

2yr ⋅

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Why square root of a complex number is a complex number only?(read body text)

6mo ⋅

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i'm supposed to solve this limit (x approaches 0) with l'Hopitals rule, but i just can't solve it...can comeone help?

11mo ⋅

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Can you explain this question ?

8mo ⋅

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Area of square?

1yr ⋅

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Please help solve this. I tried 1 + 3x = 12 but this doesn't seem to be the answer.

1yr ⋅

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Does this type of system have a name? How could I generalize it to have any n lines? Is the shape the lines form related to some function like 1/x?

4mo ⋅

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Why is y always non negative in this?

1yr ⋅

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How do I describe this Zick Zack Graph with a equation?

2yr ⋅

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I can’t find any proof of this anywhere. Can someone explain it to me ?

1yr ⋅

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What test should use to know the convergence of this serie? and how to solve it?

1yr ⋅

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How do you prove this inequality?

1yr ⋅

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Is a stupid question but how could I prove that square root of 4 is rational

1yr ⋅

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Is the limit t-> inf of 1/tan(t) correct?

1yr ⋅

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Evaluating Definite integral. Not sure what im doing wrong.

1yr ⋅

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Question asks to find area of trapezium accurate to 3 s.f.

9mo ⋅

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Missing Numbers?!

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Teacher asked us to prove that n^3-n is divisible by 6. I tried proving it with modular arithmetic mod 6. She said this proof was wrong. But what is wrong with this proof? I don't get it

2yr ⋅

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Is the solution for this 28? (Just yes or no, if I'm wrong don't tell me the answer please)

3yr ⋅

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wanna help me look smarter than I really am?

1yr ⋅

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Pythagorean Theorem

1yr ⋅

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I don't understand why specifying a(n+1) < a(n) is necessary

9mo ⋅

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Another polynomial problem in need of attention. Please help🙏🏻

2yr ⋅

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Algebraist on the loose! What is She/He trying to tell us?

1yr ⋅

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I don't understand this, how did they get 1/4 from -1/2?

2mo ⋅

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I managed to get part (a) but part (b) my answer is different from the answer

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i am stuck at this

2yr ⋅

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How would I find the mean of the median household income data with respect to the population data? In Excel

1yr ⋅

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how do you calculate x in degrees? the square ABCD has side length 6.

1yr ⋅

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Can someone please solve this? I cant seem to understand

2yr ⋅

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How to calculate BY HAND (NO CALC.)those trigonometry functions, both the first and third exercise?

2yr ⋅

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I need some help with this system, I know a=2 and b=1, but I can't prove it mathematically. Can someone help? I got those solutions by guessing.

1yr ⋅

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Why is 2 b) false? TIA

3yr ⋅

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is that true???

9mo ⋅

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Why can we cross multiply? Talking about the first step

2yr ⋅

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is this derivative correct?

2yr ⋅

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How do I solve this? I don't really know where to start.

1yr ⋅

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Is there a name for this type of sine wave?

1yr ⋅

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Value of w, x, y and z

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I managed to do 13a but how would you do 13b? Thank you

2yr ⋅

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Matrix. What does the I mean?

1yr ⋅

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trig problem

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How do I get the line with the question mark?

1yr ⋅

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Wouldn’t the flavour of this soup converge? How would you show this?

2yr ⋅

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How do I solve this without integrals?

3yr ⋅

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The fundamental basic of the metaphysician barrier don’t make sense to me?

1yr ⋅

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My little sister asked for help for her math homework, showed me this and I genuinely do not know how to help her (not a math student). Anyone knows how to solve this using trigonometry? (They’re still seeing basic trigonometry so it shouldn’t be that complicated to resolve, I guess I’m just bad)

2yr ⋅

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Anyone?

3yr ⋅

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Do you guys have any tips and tricks to not forget about negative signs?

7mo ⋅

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Why can't you solve the following equation using that procedure?

2yr ⋅

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Correct answer is option A. How?

10mo ⋅

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How do I calculate the integral for this?

7mo ⋅

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Algebra help! The answer is C but can someone explain how they solved it?

10mo ⋅

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I need help with problem 4. Ive been trying for 2 hours and I dont know at this point.

7mo ⋅

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I've noticed this interesting equality. Why does this hold? And how should I go about proving this? I thought about using taylor expansions, but that just seems like overkill to me, and probably wont even work.

7mo ⋅

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I've not been able to wrap my head around logarithms. I've used multiple teachers, textbooks and YouTube videos. It just doesn't click for me

5mo ⋅

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How would I do k and l?

1yr ⋅

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I was wondering if my way of getting the answers to x^4=16 is valid?

1mo ⋅

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Can someone please explain this in detail? I have no idea how to start this/what’s going on.

6mo ⋅

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My brain cannot process this sentence. Help!

1yr ⋅

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Did I apply the triangle inequality correctly/ is my logic correct here? (In particular, distributing the negative)

9mo ⋅

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What is the length of d, and how do I calculate it?

3yr ⋅

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Can someone explain this meme about morphisms?

2yr ⋅

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I don't understand how they got this answer

1yr ⋅

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I am quite confused here. I understand that this must be a 30-60-90 right triangle, but I do not know what to do with that information. (I’m not sure if this is the right flair)

1yr ⋅

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all I have figured out is that this number ends in a nine. can someone explain to me how to do this.

1yr ⋅

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this is such a dumb thing to ask but i gotta make sure its correct

3yr ⋅

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Trig equation I cant prove true

9mo ⋅

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why do trailing zeros be insignificant but when there is a decimal place( and by far a decimal place that serves no purpose) make all trailing zeros significant, and any leading zeros after a decimal place( that actually do something) become insignificant? why are the rules so bad?

3yr ⋅

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ok but seriously how do I prove this equation is true? I haven't studied math for 3 yrs already and maybe at one point I've been able to solve this. Imma put algebra as a flair since Idk what other flair to use. feel free to correct me on that one too

2yr ⋅

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Any recommendation/solution for this? I was told not to use L'Hopital rule

1yr ⋅

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How do you solve this?

6mo ⋅

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Weird symbol in group theory

1yr ⋅

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The “Implies” logical connective doesn’t make sense

6mo ⋅

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Can anybody help me with this question? thanks a lot!

2yr ⋅

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How is |x|= -x when x is less than 0 if its absolute? What am I missing?

1yr ⋅

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Where is the 1/2 going?

1yr ⋅

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can someone help me understand if this would be a rate or a ratio? (i’m stupid srry lol)

1yr ⋅

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Our calculus class got decimated by this question

1mo ⋅

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I need help with this one

7mo ⋅

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can anyone explain this

2yr ⋅

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Help!!!

2yr ⋅

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Why is the answer in pencil correct?

11mo ⋅

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What does the double line mean ??

1yr ⋅

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How do I find ‘a’?

7mo ⋅

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How can I solve this one?

1yr ⋅

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Saw in today's newspaper. Is it a valid equation or some random thing

2yr ⋅

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Please help I am so confused. 😂

1yr ⋅

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I need to manipulate both sides to prove the identity but I can't get it to work. There is suppose to be a 2 in the numerator of the left side but I don't see how.

1yr ⋅

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How to calculate this infinite sum?

1yr ⋅

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How to solve

1mo ⋅

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Sorry if this is way too a simple a question but we're stuck and need help.

1mo ⋅

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My answer was 2 . teacher said it isnt wrong but i should think about it ,any help?

6mo ⋅

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[Limits] How can I use a Geometric Series to solve this?

1yr ⋅

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Was never taught this.

3yr ⋅

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I'm at a loss for 7 b. given I am not allowed to use trigonometry.

1yr ⋅

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I am lost, how do I do this?

3yr ⋅

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Does the two-sided limit of this function as x tends to 2 exist? And when x tends to 3?

11mo ⋅

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I can't sleep at night.

4yr ⋅

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