Use f(x) = 1
2
x and f -1(x) = 2x to solve the problems.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

What is the value of x in the following equation? -3x-2=2x+8

Combine the information in the problem and the chart using the average balance method to solve the problem.