Model the Curve with a Cosine Function $P = 28$ , Its Range Is

question 6

Essay

Model the curve with a cosine function.
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Note that the period of the curve is $P = 28$ , its range is $[ 0,110 ]$ and the graph of the cosine function is shifted upward 55 units and shifted to the right 14 units. Write the model function as a function of x and π.

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