Write the equation of a line that is perpendicular to y=5y=5y, equals, 5 and that passes through the point (-7,-5)(−7,−5)left parenthesis, minus, 7, comma, minus, 5, right parenthesis.

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.