One of the last questions to a quiz, please help? tysvmm

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.

32a³b² 8ab² simplify the following expression.

If f(x) = 5х – 2 and g(x) = 2х + 1, find (f – g)(x).