Find the square root. Assume that all variables represent positive real numbers.- 

A. not a real number
B. -17
C. -144
D. 17

Answer: B

Mathematics

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Find the indicated derivative. Assume that x is restricted so that ln is defined.f'  if f(x) = -ln(cos x)

A. 1
B. - 
C. - 
D.

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Mathematics

Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = (x - y)i + (x + y)j; C is the triangle with vertices at (0, 0), (3, 0), and (0, 5)

A. 0 B. 75 C. 30 D. 15

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Mathematics

Use the quadratic formula to solve the equation.(x - 5)(x - 1) = 8

A. {-3 - 2, -3 + 2}
B. {3 - , 3 + }
C. {-3 - , -3 + }
D. {3 - 2, 3 + 2}

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Mathematics

Solve the problem. Assume all variables represent nonnegative real numbers.For f(x) =  and g(x) =  - , find (f ? g)(x).

A. (f ? g)(x) = x30 - x28
B. (f ? g)(x) = x4 - x4
C. (f ? g)(x) = x5 - x3
D. (f ? g)(x) = x3 - x4

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Mathematics