Select the correct answer. Which equation matches the function shown in the graph?
A. y = cos(x - π/4)
B. y = cos(x + π/2)
C. y = cos(x - π/2)
D. y = cos(x + π/4)

Select the correct answer Which equation matches the function shown in the graph A y cosx π4 B y cosx π2 C y cosx π2 D y cosx π4 class=