Question

Let
H(t)= -3+sqrt(t) if t>0
-3+sqrt(-t) if t 14 years ago

Answer 1

Pretty sure the min is -3 just using imagination alone

Answer 2

It is. Let me guess, you plugged in zero for t?

Answer 3

I think the graph looks something like this:

Answer 4

something like that, but I just used the knowledge of the graph of sqrt(x) to imagine what the minimum would be

Answer 5

Mario, I feel your pain though. It's like someone threw you into the ocean without teaching you how to swim.

Answer 6

They did. :)