A private jet flies the same distance in 12 hours that a commercial jet flies in 8 hours. If the speed of the commercial jet was 104 mph less than 2 times the speed of the private jet, find the speed of each jet.

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.