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SVETLANKA909090 [29]
3 years ago
5

Write the equation of the sinusoidal function shown.

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

B.  y = 2 cos x - 1

Step-by-step explanation:

This is a cosine function as it is symmetrical about the y axis.

It is cos x stretched vertically by a factor 2 and moved 1 unit down

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