Question

F(x) = 4 (2.5)^x-1
How do i find the 5th term of the sequence?

Answer 1

156.25

Explanation:

`f(x)=4(2.5)^(x-1)\\\\f(5)=4(2.5)^(5-1)\\\\f(5)=4(2.5)^4\\\\f(5)=4(39.0625)\\\\f(5)=156.25`

Therefore, the 5th term of the geometric sequence is 156.25