Question: A cosine function is a reflection of its parent function over the x-axis. The amplitude of the function is 11, the vertical shift is 9

A cosine function is a reflection of its parent function over the x-axis. The amplitude of the function is 11, the vertical shift is 9 units down, and the period of the function is 12 . The graph of the function does not show a phase shift. What is the equation of the cosine function described? Drag a value into each box to correctly complete the equation of the function. f (x) cos( x ) 20 -11 -9 -2 2 9 11 20 12n 7 24 12 24

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