Which sequence is modeled by the graph below? points are (1,3) (2,0.6) (3, 0.12)

Which sequence is modeled by the graph below? points are (1,3) (2,0.6) (3, 0.12)

A an = 3 (one fifth )^n − 1
B an = 3(−5)^n − 1
C an = 0.3(5)^n − 1
D an = one fifth (3)^n − 1