How do I solve this? I have no idea how to start

1yr ⋅ ⋅

ADVERTISEMENT

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

1yr ⋅

⋅

Why does the graph of this contain no points?

1yr ⋅

⋅

Is there any way to minimize this without using calculus?

1yr ⋅

⋅

Is my solution to this correct? (Solution in comments)

1yr ⋅

⋅