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Mathematics 13 Online
OpenStudy (anonymous):

How does the amplitude of y = 3cos x compare with y = cos x?

OpenStudy (anonymous):

It is the same. It is 3 more. It is three times as much. It is one third as much.

OpenStudy (anonymous):

which one o these options?

sam (.sam.):

It is 3 more.

OpenStudy (anonymous):

3 times as much

sam (.sam.):

i feel like its 3 times , because if 3 more, then the y-intercept will be at 4

sam (.sam.):

So, the answer is " It is three times as much."

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