Select ALL TRUE statements about Quadratic Functions: Group of answer choices:

They are 2nd degree functions.

They have "V" shaped graphs.

Vertex form is used for graphing.

From a table, has a constant second difference.

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.