Question

Find the volume of the solid formed by revolving the region bounded by the graphs of y = x^2, x = 4, and y = 1 about the y-axis.

*answer choices in pic file below*

Answer 1

@satellite73 can u plz help? :)

Answer 2

@undeadknight26 @misty1212 @arabpride @Abmon98

Answer 3

@EclipsedStar can u plz help? :)

Answer 4

@Kainui

Answer 5

did you graph the region?

Answer 6

http://prntscr.com/6aryb1

Answer 7

so you need to revolve that around the y-axis
see what you will get

Answer 8

use \[dV=\pi A^2dy\]

Answer 9

thank u! can u plz help me with 1 more if u dont mind

Answer 10

well what do you think

Answer 11

lnx remember it is defined only for x>0

Answer 12

did you solve the first?

Answer 13

i think its all reals , i dont know how to solve

Answer 14

oh that should be piA not A^2 correction

Answer 15

look at your notes

Answer 16

kk tomrrow :)
thank u

Answer 17

no problem