Chapter 2.1, Problem 81E

For Exercises 69–84, draw a graph to match the description given. Answers will vary.

$f\left(x\right)$

has a negative derivative over $\left(-\infty ,-2\right)$

and $\left(1,\infty \right)$

and a positive derivative over

$\left(-2,1\right)$

and $f\text{'}\left(-2\right)=0,$

but $f\text{'}\left(1\right)$

does not exist.