Question

A point is moving along the graph of y = x2 so that dx/dt is 2 centimeters per minute. Find dy/dt when (a)x = 0 and (b)x = 3.

Answer 1

same method as the one above this

Answer 2

y=x^2
dy/dt = 2xdx/dt (dx/dt=2)
now you just need to put the number into that function above