Consider the following integral.

${\displaystyle \underset{2}{\overset{4}{}}}{\displaystyle \underset{y^2-1}{\overset{y^3}{}}}5dxdy$

Identify the type $of$ integration region $(correspondingto$ the way the integral $is$ written$).$

$Ay-$simple region

A simple region

A polar region

$Anx-$simple region

Evaluate the given integral.

$(Givean$ exact answer. Use symbolic notation and fractions where needed.$)$

${\displaystyle \underset{2}{\overset{4}{}}}{\displaystyle \underset{y^2-1}{\overset{y^3}{}}}5dxdy=$