PRACTICE EXERCISE $7$

Use the disk method $or$ the shell method $to$ find the volume $of$ the solid generated $by$

rotating the region bounded $by$ the graphs $of$ the equations around each given line.

$y=x^3,y=0,x=2$

$ax-$axis

$by-$axis

$cx=4$

$y=\frac{10}{x^2},y=0,x=1,x=5$

$ax-$axis

$by-$axis

$cy=10$