Question

What is the rule of function? (1,2/3), (2,4/9), (3,8/27), (4,16/81),(5,32/243)

Answer 1

x          y

1        2/3        = (2/3)^1
2        4/9        = (2/3)^2
3        8/27      = (2/3)^3
4        16/81    = (2/3)^4
5        32/243  = (2/3)^5

Function rule is f(x) = (2/3)^x