$($a$)$ List the intervals where $f$ is increasing: $(-6,-5),(-4,-2),(2,4),(5,6)$

$($b$)$ List the intervals where $f$ is decreasing: $(-5,-4),(-2,2),(4,5)$

$($c$)$ List the distinct $y-$values of the local maximums, if any exist:

$($d$)$ List the distinct $y-$values of the local minimums, if any exist:

$($e$)$ Find the $y-$value of the maximum, if it exists:

$($f$)$ Find the $y-$value of the minimum, if it exists:

MacBook Air