2, 6, 18,

find the common ratio of the given sequence, and write an exponential function which represents the sequence. use n = 1, 2, 3,
a) 3; f(n) = 2(3)n-1
b)
1
3
; f(x) = 2(3)n-1
c) 3; f(n) = 2(
1
3
)n-1
d)
1
3
; f(n) = 2(
1
3
)n-1

3;

Step-by-step explanation:

The given sequence is

2, 6, 18, 54,....

The first term is

The common ratio is obtained expressing a subsequent term over a previous term.

The common ratio is

The the nth term of the sequence is given by:

The exponential function which represents the sequence is

18

step-by-step explanation:

a) 7x=7

step-by-step explanation: