WeBWorK using host: https://math-webwork3.unl.edu, format: simple seed: 123567890

Below is the graph of a function $f(x)$ .

(a) Give the $x$ -value of a point where the slope of the tangent line for $h(x)$ is positive.

$x$ =

(b) Give the $x$ -value of a point where the slope of the tangent line for $h(x)$ is negative.

$x$ =

(c) Give the $x$ -value for all of the points where the slope of the tangent line for $h(x)$ is zero.

$x$ = (separate answers with a comma)