Out of z people in the audience, half were parents. how many parents were there in the audience? (express your answer in terms of z.)

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.

Solve for x and select the correct answer

Write the equation in general quadratic form: plz !