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Mathematics, 08.12.2019 07:31 cesarcastellan9

Which of the following would best represent a cosine function with an amplitude of 2, a period of pi over 3, and a midline at y = 1?

f(x) = cos(x − pi over 3) + 2
f(x) = 2 cos(x − pi over 3) + 1
f(x) = −2 cos 6x + 1
f(x) = −cos 6x + 2

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