Autumn had a math homework assignment each day last week. Each assignment had a different number of problems and took her a different amount of time to complete, as shown by the table below. Number of Problems Time to Complete (minutes) 8 16 15 30 22 44 29 58 36 72 What is Autumn's rate of change of time in minutes with respect to each math problem? A. 1 minute per problem B. 9 minutes per problem C. 2 minutes per problem D. 7 minutes per problem
