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OpenStudy (anonymous):
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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jimthompson5910 (jim_thompson5910):
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
OpenStudy (anonymous):
whats the amplitude please? @jim_thompson5910
jimthompson5910 (jim_thompson5910):
The amplitude of y = A*sin(x) is |A|
jimthompson5910 (jim_thompson5910):
in this case, A = -4
OpenStudy (anonymous):
thats what i had put! thanks :)
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