Suppose that an object moves along the y -axis
so that its location is y = x^2 + 3x at time
x . (Here y is in meters and x is in seconds.)

(A) Find the average velocity (the average rate of change
of

Average velocity =

(B) Find the average velocity for

Average velocity =

(C) Find the instantaneous velocity at

Instantaneous velocity =

You can earn partial credit on this problem.