Chapter 10 - Compositions, Inverses, and Combinations of Functions - 10.1 Composition of Functions - Exercises and Problems for Section 10.1 - Exercises and Problems - Page 401: 19

$$x^3+3x+1$$

Work Step by Step

We know that $f(x)$ is the function that is plugged into the original equation for x. Thus, it follows that $f(x)$ is: $$x^3+3x+1$$

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