# Chapter 2 - Nonlinear Functions - 2.3 Polynomial and Rational Functions - 2.3 Exercises - Page 74: 11

$$y=x^{4}-5x^{2}+7$$ The graph of $y=x^{4}-5x^{2}+7$ has both ends up, at most three turning points, and a $y$-intercept of $7$. This is graph $I$.

#### Work Step by Step

$$y=x^{4}-5x^{2}+7$$ The graph of $y=x^{4}-5x^{2}+7$ has both ends up, at most three turning points, and a $y$-intercept of $7$. This is graph $I$.

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