Chapter 5 - Section 5.1 - Polynomial Functions and Models - 5.1 Assess Your Understanding: 21

It is not a polynomial.

Work Step by Step

By definition, a polynomial is a function containing only terms where x is raised to a positive power or constants. $\frac{1}{x}$ is the same as $x^{-1}$. Because x is raised to a negative power, it is not a polynomial.

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