Find $an$ equation $in$ rectangular coordinates for the surface represented $by$ the spherical equation. Sketch its graph. $(Select$ Update Graph $to$ see your response plotted $on$ the screen. Select the Submit button $to$ grade your response.$)$

$=$

$4$

LarCalc$12$ your response.$=\frac{}{4}$

$z=\sqrt[\phantom{2}]{x^2+y^2}$