Dilations "He Said, She Said"

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

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.

What is the sum of the first 8 terms of the geometric series