Set up, but do not evaluate, an integral for the area of the surface obtained by rotating the curve 
about the x-axis on the interval 1 ? x ? 8.
What will be an ideal response?
Mathematics
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Find the product and simplify. Assume all variables represent nonnegative real numbers.(-
)2
A. 30x B. -30x2 C. 30x2 D. -30x
Mathematics
Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 6 cos ? - 3
A. 
(2? - 3
)
B. 9(? + 3
)
C. 
(4? - 3
)
D. 
(4? + 3
)
Mathematics
Identify the vertex of the given parabola.f(x) = (x + 1)2 + 1
A. (0, 1) B. (-1, 1) C. (1, 0) D. (-1, -1)
Mathematics
Factor, if possible.20xy3 - 3xy2 - 9xy
A. xy(4y + 3)(5y - 3) B. xy(4y - 3)(5y + 3) C. y(4xy - 3y)(5x - 3x) D. y(4xy - 3)(5y + 3x)
Mathematics