Pls help will give brainlist

What is the difference between the equations of a vertical and a horizontal line?

Which value of y will make the inequality y< -1 false?

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.