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Sagot :

Answer:

B

Step-by-step explanation:

We can determine that it is sin, not cos, because the equation goes through the origin (0, 0).

The amplitude is 2 and since the amplitude is a for an equation in the form of asinx, the equation must have 2sinx.

Finally, the period is pi. The regular period of sinx is 2pi, so inside of the si, x must be multiplied by 2, which gets us to 2sin(2x).

I hope this helps! :)

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