Find the requested composition or operation.f(x) = 4x2 + 2x + 7, g(x) = 2x - 6Find (g ? f)(x).

A. 8x2 + 4x + 20
B. 4x2 + 4x + 8
C. 4x2 + 2x + 1
D. 8x2 + 4x + 8


Answer: D

Mathematics

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A. 108 ft/s2 B. 59.3 ft/s2 C. 1990 ft/s2 D. 36.2 ft/s2

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Use trigonometric identities to solve each equation in the interval [0, 2?]3 = 2 cos2 x + 3 sin x

A.
B.
C.
D.

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Solve the problem.The height of the water, H, in feet, at a boat dock t hours after 7 A.M is given by , where t is time measured in seconds. Find the period.

A.
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C. 170
D.

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