kenneyfamily
What is the period of y = 4 sin x/2?
a. 4
b. 2
c. 4π
d. π
e. 4
f. 1/2



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jim_thompson5910
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the period of sin(Bx) is T = 2pi/B
in this case, B = 1/2, so
T = 2pi/(1/2)
T = 2*2pi
T = 4pi

kenneyfamily
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whats the amplitude please? @jim_thompson5910

jim_thompson5910
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The amplitude of y = A*sin(x) is A

jim_thompson5910
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in this case, A = 4

kenneyfamily
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thats what i had put! thanks :)