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14 December, 12:48

Which of the following is true for f (x) = 5cos (x) + 1?

A.) The period of the function is 10 pi

B.) The function has an amplitude of 2.5.

C.) A zero of the function is (pi/2, 0)

The range of the function is the set of real numbers - 4≤ y ≤ 6

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  1. 14 December, 12:56
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    The answer is D. The range of the function is the set of real numbers.
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