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Alborosie
3 years ago
8

Which transformations are needed to change the parent cosine function to y=3cos(10(x-pi))

Mathematics
2 answers:
bija089 [108]3 years ago
6 0
y=f(x-n) is a translation to the right (along the x-axis) by 'n' units

y=f(nx) is a stretch horizontally by scale factor 1/n

y=nf(x) is a stretch vertically by scale factor of n

So y=3cos(10(x- \pi )) is a translation of y=cos(x) by \pi to the right, and then stretched on the x-axis by scale factor \frac{1}{10} and lastly stretched on the y-axis by scale factor of 3



romanna [79]3 years ago
6 0

Answer:

D .

Vertical stretch of 2, horizontal compression to a period of pi/2 , phrase shift of pi unit to the right, vertical shift of 1 unit down.

Step-by-step explanation:

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