Solve the problem.Find the derivative of the function    at the point    in the direction in which the function increases most rapidly.

A. 27
B. 9
C. 18
D. 8


Answer: B

Mathematics

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Find the limit, if it exists.(x2 - 16 + )

A. Does not exist B. -4 C. 4 D. -10

Mathematics

Find numbers a and b, or k, so that f is continuous at every point. 

A. a = 2, b = -3 B. a = -2, b = 3 C. a = 2, b = 3 D. Impossible

Mathematics

Factor, if possible.(q - 8)2 - 81

A. (q + 17)(q - 17) B. (q + 1)(q - 17) C. ((q - 8)2 + 9)((q - 8)2 - 9) D. (q + 1)2

Mathematics

Let U = {1, 2, 3, 4, 5, 6, 7}, A = {1, 2, 3, 4} and C = {2, 5, 6}. List all the members of the following set. ? 

A. {1, 2, 3, 4, 5, 6}
B. {1, 3, 4, 7}
C. {1, 2, 3, 4}
D. {2, 5, 6}
E.

Mathematics