Use the given functions to find the requested function.f(x) = 6x + 8, g(x) = 2x2Find (g/f)(x).

A.
B. 2x2 + 6x + 8
C.
D. 12x2 + 16x


Answer: A

Mathematics

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Find the exact value of the trigonometric expression without the use of a calculator.sin

A.
B. - 
C.
D. - 

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Add.-40 + (-40)

A. -80 B. 0 C. -40 D. 80

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Determine the percentage rate of change of f(x) = e0.9x at x = 15 and x = 30.

A.  = 22%,  = 5%
B.  = 17%,  = 29%
C.  = 90%,  = 90%
D.  = 38%,  = 14%

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Using the derivative of f(x) given below, determine the critical points of f(x).f'(x) = (x + 4)2 e-x

A. -4 B. -4, -2 C. 4 D. -2

Mathematics