Ethan surveyed 780 of the students in his school about their favorite color. 507 students said their favorite color was purple. What percentage of the surveyed students said their favorite color was purple?

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.