A prism has a length of 7 feet, height of 1 foot, and width of 4 feet. Which expressions show how to calculate the volume of this prism? Check all that apply.
1 + 7(4)
1(4)(7)
4(4)(4)
4 + 1 + 7
4(7)(1)
7(4)(1)

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.