Chapter 2 - Nonlinear Functions - 2.3 Polynomial and Rational Functions - 2.3 Exercises - Page 74: 7

$$ y=x^{3}-7x-9 $$ The graph of $y=x^{3}-7x-9 $ has the right end down, the left end up, at most two turning points, and a $y$-intercept of $-9$. This is graph $D$.

$$ y=x^{3}-7x-9 $$ The graph of $y=x^{3}-7x-9 $ has the right end down, the left end up, at most two turning points, and a $y$-intercept of $-9$. This is graph $D$.