1. Find the volume of the descrived solid. The solid lies between planes perpend

Question

1. Find the volume of the descrived solid.

The solid lies between planes perpendicular to the x-axis at x=0 and x=7. the cross sections perpendicular to the x-axis between these planes are squares whose bases run from the parabola y=-5sqrt(x) to the parabola y=5sqrt(x).

A. 1225

B. 2450

C. 2400

D. 245

2. Find the volume of the described solid.

the base of the solid is the disk x^2+y^2<=16. The cross sections by planesperpendicular to the y-axis between y=--4 and y=4 are isosceles right triangles with one leg in the disk.

A. 128/3

B. 1024/3

C. 512/3

D. 640/3

Explanation / Answer

1) B. 2450

2) C. 512/3

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