Any help will help me solve these Angle sums!! Need answers for a test now

A16 ounce bottle of orange juice says it contains 200 milligrams of vitamin c which is 250% uh just read the paper it explains it better

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.

Which of the following parabolas opens up?