A cosine function has a period of , an amplitude of 4, and a vertical translation 3 units down. The function is not reflected over 4 the x-axis. What is the equation for this cosine function? f (x) = cos( 8 3 3x 8. 8. 3 -4 -3 3 4. 3 3 4 8. 4

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A: Since you have posted multiple subparts, as per our policy we will answer first three subparts.…