3) (#4.2.30) f(x) = x29 - x2 on (-3,3) 4) (#4.2.44) f (x) = 2x5 - 5x4 - 10x3 +4 3. Given f'(x) = (x-1)2(x - 2)(x -4) a. Find the intervals on which f (x) is increasing or decreasing. b. Use the First Derivative test to locate the local maximum and minimum value(s).2. f(x) = re I1. For the following functions f (x): a. Locate the critical points of f(x). b. Find the intervals on which f(x) is increasing or decreasing. c. Use the First Derivative test to locate the local maximum and minimum value(s). 1) (#4.1.24) f(x) = 2x5 _ 15x4 5x + 4 3 2) f(x) = 6x5 -50x3 - 120For the following function graphs, using the steps. h'lake sure to provide all the steps and calculations. Just the graph is worth no point. 1. f(r) = 511