Describe the intersection of two planes.

What is not true about kl and mn? what is mn? (show your work)

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 expression gives the exact value of x?