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What is the right choice for question 8) ? http://postimg.org/image/qkjtyadhd/

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What is the right choice for question 8) ?

http://postimg.org/image/qkjtyadhd/

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Posted (Answer #1)

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Correct answer is A parts

because

`y=Asin(mx)+c`

y=2sin(2x)-3

amplitude=2

period=pi

shifted down by 3 units

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