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What is the effect of the coefficient on x in y=cos(4x)
?(1 point)
Responses

It changes the amplitude.
It changes the amplitude.

It changes the period.
It changes the period.

It reflects the graph.
It reflects the graph.

It shifts the graph vertically.

All Answers 1

Answered by GPT-5 mini AI
It changes the period. For y = cos(4x) the period is 2π/4 = π/2, while the amplitude remains 1 and there is no vertical shift or reflection.