2 years ago

Write the equation of the sinusoidal function shown.

1 answer:

3 0

Answer: A

It looks at though the graph moved down a unit, so definitely a (-1) at the end of the function. If you move the graph up a unit, you will notice that the y = cos x format, therefore, it's not C or D.
The amplitude of the function is 1. So B and D are out because their amplitudes are 2.

<u>Therefore, the answer is A.</u>

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