Which function has an period four times the length of f(x) =

Last updated: 8/4/2022

Which function has an period four times the length of f(x) = -4(cos8x) + 2? a. f(x) = -4(cos32x) + 5? b. f(x) = -16(cos1/2x) + 2? c. f(x) = -4(cos8x) + 8? d. f(x) = -3(cos2x) + 2?