Last year’s phone model head of battery that lasted 15 hours this year the battery only last for 7.5 hours what was the percent of battery life decree

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.

c. 1,233 miles

step-by-step explanation:

graph using a few selected

x         y

-1       15

0         6

1         2.4

2       0.96