The lowest recorded temperature in Antarctica was about 90°F below zero. The highest recorded temperature in Antarctica was about 15°F. Which integer represents the highest recorded temperature in Antarctica?

A) -90
B) -15
C) 15
D) 90

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.