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OpenStudy (anonymous):
y=-2sin(2x+(π/2))+7 find the period, amplitude, vertical translation and horizontal translation
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OpenStudy (amistre64):
amp = 2
OpenStudy (anonymous):
not -2?
OpenStudy (amistre64):
vert = +7
OpenStudy (amistre64):
amp is an absolte value
OpenStudy (anonymous):
oh, thanks
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OpenStudy (amistre64):
2x+(π/2) 2(x + pi/4) the horiz = -pi/4
OpenStudy (amistre64):
the period is going 2 times as fast; so period is pi
OpenStudy (anonymous):
thank you
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