Answer
Decreasing on $(-\infty,0)$
Increasing on $(0,\infty)$
Work Step by Step
We are given the function:
$f(x)=x^{2/3}$
Graph the function.
From the graph we find:
$f$ is decreasing on $(-\infty,0)$
$f$ is increasing on $(0,\infty)$
Check the result using a table of values:
