The base of an isosceles triangle is five and it’s perimeter is 11.the base of a similar isosceles triangle is 10.what is the perimeter of the larger triangle

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.