Find the circumference of this circle

What is the best reason for jacinta to have a savings account in addition to a checking account

Which of the functions graphed below has a removable discontinuity?

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.