Which graph represents the function y is equal to negative 2 cosine open paren 2 pi x close paren ?

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Image with description On a coordinate plane, a function has a maximum of 2 and minimum of 2. It completes one period at one-fourth pi. It crosses the y-axis at (0, negative 2).

Graphing Sine and Cosine Functions - Quiz Quiz

Which graph represents the function y is equal to negative 2 cosine open paren 2 pi x close paren ?

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