Question

1.2, 3, 7.5, 18.75, ...

Which formula can be used to describe the sequence?



f(x) = 1.2(2.5)x – 1

f(x) = 2.5(1.2)x – 1

f(x) = 1.2(2.5)x

f(x) = 2.5(1.2)x

Answer 1

B

Explanation:

Answer 2

I think it might be the second one (f(x) = 2.5(1.2)x – 1).