A cosine function has an amplitude of 1/4 , period of pi/2, horizontal shift of 2pi, and vertical shift of -4.
What is the y-value of the positive function when x = 2π?
y = ?

A cosine function has an amplitude of 14 period of pi2 horizontal shift of 2pi and vertical shift of 4 What is the yvalue of the positive function when x 2π y class=