Which is an exponential decay function? f(x) = 0.2(5/3) x f(x) = –3.1x f(x) = 10x f(x) = −2(0.7)x

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

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.