# How do you find the end behavior of f(x) = 7 - x^2?

##### 1 Answer
Sep 11, 2015

As an end behavior $f \left(x\right) \rightarrow - \infty$

#### Explanation:

As $x \rightarrow + \infty$ and as $x \rightarrow - \infty$
$\textcolor{w h i t e}{\text{XXX}} {x}^{2} \rightarrow + \infty$
and therefore
$\textcolor{w h i t e}{\text{XXX}} 7 - {x}^{2} \rightarrow - \infty$