Chapter 3, Polynomial and Rational Functions - Section 3.2 - Polynomial Functions and Their Graphs - 3.2 Exercises - Page 303: 57

The graph has relative maximum at $(-2, 25)$ and a relative minimum at $(2, -7)$. Refer to the graph below.

Use a graphing utility and set the viewing angle to $[-5, 5]$ by $[-30, 30]$ to obtain the graph above. The graph has a relative maximum at $(-2, 25)$ and a relative minimum at $(2, -7)$.