CPM Homework Help : CCA2 Problem B-108

Write an explicit equation for the sequence graphed at right.

Hint:

Is this exponential or linear?

More Help:

By what factor do the $y$ -values increase as you look at the points from left to right?

Answer:

$t(n) = 2(3)^n$

A first quadrant coordinate plane with, x axis, labeled as, N, scaled by integers from 0 to 5, and, y axis, labeled as, t of n, scaled by tens from 0 to 56. The discrete graph has the following 3 points: (1, comma 6), (2, comma 18), (3, comma 54).