Question

Consider the following function:

y=1/4 cos (-1/4x)

Which of the following statements are true? Check all that apply

Answer 1

Answer choices:
A. The graph is symmetric to the y-axis.
B. The function decreases on the interval (0, 4π).
C. The frequency is StartFraction 1 Over 4 pi EndFraction.
D. The graph is compressed horizontally by a factor of One-fourth
E. The graph has x-intercepts at x = 2π and x = 6π.

Answer 2

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