Mathematics, 08.11.2019 19:31 breannaasmith1122

Which function has a period equal to half the period of the function in y = -3sin(x - 2π) + 2?

y = 3cos(2/3x - π) + 2
y = -3/2cos(2/3x - 2π) + 2
y = -3cos(2/3x - 2π) + 2
y = 3cos(3/4x - 2π) + 2

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Which function has a period equal to half the period of the function in y = -3sin(x - 2π) + 2?