The sum of the digits of a two-digit number is 14. if the digits are reversed, the new number is 18 more than the original number. find the original number.

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.