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6 December, 14:07

Which transformation causes the described change in the graph of the function y = cos x?

The transformation results in a horizontal shrink.

The transformation results in a vertical stretch.

The transformation results in a horizontal stretch.

The transformation results in a vertical shrink.

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  1. 6 December, 14:15
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    A: a horizontal shrink would be caused by cos 3x.

    B: a vertical stretch would be caused by 3 cos x

    C: a horizontal stretch would be caused by cos (1/3) x

    D: a vertical shrink would be caused by 1/3 cos x.
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