Volume by Disc Method
Using the disc method, solve for the volume V of the solid formed by rotating the region under $$f(x)= 2*x$$ from x = 0 to x = 3 about the x-axis using the equation $$V= \int_0^3 \pi (2*x)^2 dx$$.
A
$$36\pi$$
B
$$9\pi$$
C
$$18\pi$$
D
$$6\pi$$
E
$$12\pi$$
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