1.2, 3, 7.5, 18.75, …

Which formula can be used to describe the sequence?

a. f(x) = 1.2(2.5)x – 1

b. f(x) = 2.5(1.2)x – 1

c. f(x) = 1.2(2.5)x

d. f(x) = 2.5(1.2)x

1.2, 3, 7.5, 18.75, …

Which formula can be used to describe the sequence?

a. f(x) = 1.2(2.5)x – 1

b. f(x) = 2.5(1.2)x – 1

c. f(x) = 1.2(2.5)x

d. f(x) = 2.5(1.2)x