Solve |x|> 4 a. {-4, 4} b. {x|-4< x< 4} c. {x|x< -4 or x> 4}

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.