Find the domain and range of the function, the intervals where the function is increasing, where it is decreasing, and the points of its relative extrema:

Domain:

Ringle: $$

focreasing of:

$(-4,0)$

Aecreasing on: $q,$

Pointsef relative mi $$

Points of relative max.

$(0,2)$

$2.$ Find the average rate of change of the function on the interval specifled.

$h(x)=5-2x^{2}on-2,4$