CPM Homework Help : A2C Problem 9-147

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9-147.

Sketch the graph of each equation below.

$y = 3 \operatorname { sin } ( x + \frac { \pi } { 2 } )$
Hint (a):
$\text{locator }\left(-\frac{\pi}{2}, 0\right)$
Hint 2(a):
period = 2π
More Help (a):
amplitude = 3
Answer (a):

$y = −2 \operatorname{sin} \left(4x\right)$
Hint (b):
locator (0, 0)
Hint 2(b):
$\text{period=}\frac{\pi}{2}$
Hint 3(b):
amplitude = 2
More Help (b):
inverted

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