What is a rule that represents the function, (0,1), (1,3), (2,9), (3,27), (4, 81)?

Question

asked Oct 22, 2019 32.5k views

2 Answers

Zhiyuan · Answer 1 · 2019-10-22T22:11:37+0000

Answer:

x = -21/5

Explanation:

Notice that each new y- value is 3 times the previous y-value. Thus, the function is y = 3^(n-1).

Check: If n = 1, y = 3^0 = 1. This is correct.

if n = 3, y = 3^2 = 9. This is correct.