# Chapter 3 - Section 3.1 - Functions - 3.1 Assess Your Understanding: 117

$H=\displaystyle \frac{3x-x^{3}}{age}$

#### Work Step by Step

We find a function "$H$ that multiplies a number $x$ by $3$ and then subtracts the cube of $x$ and divides the result by your age" $H=\displaystyle \frac{3x-x^{3}}{age}$

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