Question

graph the exponential model y=2(0.5)^x .................which is on that graph up there (2,5) (1,-1) (-4,1) or (0,2)

Answer 1

You should plug in points:
(0.5)^5*2 = 1/16
(0.5)^-1*2 = 4
(0.5)^1*2 = 1
(0.5)^0*2 = 2
D.