Textbook Problem

Comparing Different Orders of Integration In Exercises 7-12, set up the integrals for both orders of integration and use the more convenient order to find the volume of the solid region bounded by the surface f(x, y) and the planes. See Example 2.

$f\left(x,y\right)=\frac{1}{\sqrt{x^2+4}}$

Planes: $z=0,y=0,y=3x,x=1$