Given, the equation that represents the height of an object:
First, we will find the velocity of the object which is the first derivative of the height using the method of the limits
We will find the value of the function y(t) when t = 3, and when t = 3+h
Substitute y(3+h) and y(3) into the expression of the limit
Where a = 0
d) compute the instantaneous velocity at t = 3
So, the answer will be: