Evaluate the cylindrical coordinate integral. 

A. 1836
B. 14,076
C. 7956
D. 1224


Answer: A

Mathematics

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Find the inverse of the function.f(x) = (x - 4)2, x ? 4

A. f-1(x) = - + 4, x ? 0
B. Not a one-to-one function
C. f-1(x) =  + 4, x ? 0
D. f-1(x) = , x ? 4

Mathematics

Write the augmented matrix for the system. Do not solve the system. 2x + 3y = 24 4x + 6y = 48

A.

B.

C.

D.

Mathematics

Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = 5x8 + 4x6 + 8x4 + 9x2 + 7

A. 4 positive; 4 negative B. 0 positive; 0 negative C. 0 positive; 4 negative D. 4 positive; 0 negative

Mathematics

Simplify the expression. Assume that all variables are positive when they appear.

A.
B.
C.
D.

Mathematics