$(5$ points$)$

$(a)$ Evaluate the integral:

${}_E\frac{3}{\sqrt[\phantom{2}]{x^2+y^2}}dV$

where $Eis$ the solid region $in{R}^3$ that $is$ bounded $by$ the paraboloid $z=4-x^2-y^2$ and the

cone $z=3\sqrt[\phantom{2}]{x^2+y^2}.$ Show all your work and briefly explain how you found the

bounds.