Please help me in this homework :)

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Find the value of x for which the lines are parallel.

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.