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anonymous
 4 years ago
the function f(x)=2cos(3xpi/4) has
a. amplitude 3 and period pi
b. amplitude 2 and period 2pi/3
c. amplitue 3 and period 2pi
d. amplitude 3 and period 4pi
anonymous
 4 years ago
the function f(x)=2cos(3xpi/4) has a. amplitude 3 and period pi b. amplitude 2 and period 2pi/3 c. amplitue 3 and period 2pi d. amplitude 3 and period 4pi

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i know the amplitude i 3 but what the period?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Amplitude is 2 period 2pi/3

dumbcow
 4 years ago
Best ResponseYou've already chosen the best response.0f(x) = +Acos(B(xh)) +k A  amplitude Period = 2pi/B Horizontal shift = h Vertical shift = k
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