Chapter 3 - Polynomial and Rational Functions - Section 3.1 Polynomial Functions and Models - 3.1 Assess Your Understanding - Page 209: 62

could be, $x=-1,2$ least degree 4.

Step 1. Based on the given graph, we can identify that it could be the graph of a polynomial function. Step 2. We can find the real zeros $x=-1,2$ Step 3. The least degree the polynomial can have is 4 (three turns).