If f(x) = -4x2 - 6x- 1 and g(x) = -x2 - 5x + 3, find (f+ g)(x). O A. (f+ g)(x) = 5x2 + 11x+ 4
O B. (f+ g)(x) = - 5x2 - 11x + 2
O C. (f+g)(x) = -5x2 - x-4
O D. (f+9)(x) = 3x2 + x+4

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.