this has 6 parts, I need all parts answered. please write LEGIBALLY

Homework: Section 4.1 Question 15, 4.1.71-T HW Homework Part 1 of 6 a. Find the critical points of the following function on the given interval. b. Use a graphing utility to determine whether the critical points correspond to local maxima, local minima, or neither c. Find the absolute maximum and minimum values on the given interval. g(x) = (x-4)(x + 5); 1-5,5] a. Identify all the critical points. Select the correct choice below and fill in any answer boxes within your choice. OA. X= (Round to three decimal places as needed. Use a comma to separate answers as needed.) O B. There are no critical points