The cost for a taxi ride in New York can be calculated with the equation c = 2m + 8
 where m is the number of miles driven. Any given ride is at least 6 miles, but no more
 than 12 miles.
 What is the domain?
 {20, 22, 24, 26, 28, 30, 32}
 20 06 {6, 7, 8, 9, 10, 11, 12}