Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 3x, y = - 
, x = 1
A. 
?
B. 
?
C. 10?
D. 
?
Answer: D
Mathematics
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Find the common ratio for the geometric sequence.3, 6, 12, 24, 48, . . .
A. 
B. 2
C. 3
D. not geometric
Mathematics
Solve the problem.A rock is propelled upward from the top of a building 110 feet tall at an initial velocity of 200 feet per second. Give the function that describes the height of the rocket in terms of time t.
A. f(t) = -16t2 + 110t + 200 B. f(t) = -16t2 + 200t + 110 C. f(t) = 16t2 + 200t + 110 D. f(t) = -200t2 + 16t + 110
Mathematics
Multiply.
× 
A. 
B. 
C. 
D. 
Mathematics
For the given functions f and g, find the requested function.f(x) = 2x + 2; g(x) = 6x - 9
Find (f ? g)(x).
A. (f ? g)(x) = 12x2 - 6x - 18 B. (f ? g)(x) = 8x2 - 6x - 7 C. (f ? g)(x) = 12x2 - 18 D. (f ? g)(x) = 12x2 + 3x - 18
Mathematics