Page 1 of 3 ZOOM + solutions from websites, classmates, or other sources is considered plagiarism. Plagiarism will result in a 0 and being reported for academic dishonesty! Assignment: (30 points) 1. f(x) = x3 - 6x2 - 15x - 8 a) (4 pts) Identify the critical points of f (x). b) (4 pts) Create a first derivative sign chart. c) (2 pts) What are the increasing and decreasing intervals of f (x)? d) (2 pts) What are the coordinates of any maxima and minima? Make sure to identify each coordinate as either max or min