I could use some help with the following calculus problems:

Find the linearization of the function f (a) = act at ac = 1. L (ac) = Using this linearlization, f (1.02) .is approximately NumberThe area of a square is increasing at a rate of 112 centimeters squared per second. Find the rate of change of the side of the square when it is 8 centimeters. The rate of change of the side is Number . cmfsec