Solve the problem.The radius, r, of a right circular cone can be found using the formula 
where V is the volume and h is the height. If the volume is 782 cubic inches and the height is 12 inches, what is the radius? (Use 3.14 for ?, and round your answer to the nearest tenth of an inch.)
A. 4.0 in.
B. 8.3 in.
C. 7.9 in.
D. 4.6 in.
Answer: C
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Decide which of the 5 properties of a commutative group (closure, identity, inverse, associative, commutative) hold for the given system.
A. Closure, identity, associative, and commutative only B. Closure, identity, inverse, and commutative only C. Closure, identity, inverse, and associative only D. All of them
Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. -1
B. 
C. 1
D. - 
Find the value for the function.Find f(x - 1) when f(x) = 5x2 + 2x + 4.
A. -8x2 + 5x + 7 B. 5x2 - 8x + 11 C. 5x2 - 8x + 7 D. 5x2 + 22x + 11
Use the graph to find the oblique asymptote, if any, of the function. 
A. y = 4x + 2 B. y = 4 C. y = x + 2 D. no oblique asymptote