Hi. I have this question hat I'm not sure on.
Alison has let her hamster run loose in her living room. The position function of the hamster is , t is greater than or equal to 0, where s is in metres, and t is in seconds.
A) how fat is the hamster moving after one second.
I think I get this one, since the original function is a speed function and speed is a change in position then the derivative would yield the position after 1 s.
B) when does the hamster change direction?
I'm not sure how would I tell when the hamster changes direction.