Answer:
4
Step-by-step explanation:
i dont really know how to explain i used an algebra calculator
C) y = -cos(x) +2
The centerline is 2, so 2 is added. That leaves out choices A and B.
There is a minimum (not a maximum) at x=0, so the multiplier is negative, eliminating choice D.
The correct equation is that of C: y = -cos(x) +2.
