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anonymous
 4 years ago
Find the volume V obtained by rotating
f(x) = x (5x) and g(x)= 8  x(5x) about
the y axis.
I understand the height, which f(x)g(x) since f(x) > g(x), but I don't understand how they got radius, r = x. Can someone explain that to me. Thank you!
anonymous
 4 years ago
Find the volume V obtained by rotating f(x) = x (5x) and g(x)= 8  x(5x) about the y axis. I understand the height, which f(x)g(x) since f(x) > g(x), but I don't understand how they got radius, r = x. Can someone explain that to me. Thank you!

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0your radius will be the values of the space between the two curves evaluated via integral from their intersection points, integrating with respect to y
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