PLEASE HELP Choose the function whose graph is given by:

A. y = cosx + 1
B. y= sin(x + 1)
C. y = cos(x + 1)
D. y = cos(x - 1)

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?

What is the area of the shaded sector?