Find azo in the arithmetic sequence: 5, 12, 19, 26...

use the formula,

a n = a 1 + d (n-1) to identify the arithmetic sequence.

a n = 7n - 2

logv3(x+2)=1

rewrite in exponential form:

logb(x) = y is equal to b^y =x

b = 3, y = 1

now solve for x:

3^1 = x+2)

x = 3-2

x = 1

see the picture for the graph.