SOLUTION: A gallon of milk cost $1.99 five years ago, now it costs $2.89. a. Write an exponential function. b. what has been the annual rate of increase in the cost?

Algebra ->  Customizable Word Problem Solvers  -> Evaluation -> SOLUTION: A gallon of milk cost $1.99 five years ago, now it costs $2.89. a. Write an exponential function. b. what has been the annual rate of increase in the cost?      Log On