Q. 15 - Precalculus Enhanced with Graphing Utilities

Question

In Problems 15–26, determine which functions are polynomial functions. For those that are, state the degree. For those that are not, tell

why not.

$f\left(x\right)=4x+x^3$

Step-by-Step Solution

Answer

$f$ is a polynomial of degree $3$

Step 1: Given information

$f\left(x\right)=4x+x^3$

Step 2: Calculation

$f\left(x\right)=4x+x^3$

$f$ is a polynomial of degree $3$