What is 1/2+3/8+3/2 equal with commutative property

Don't answer if you don't know steve completed 9 homework problems in class. the function p(m) relates the time (in minutes) steve spent on his homework at home to the total number of problems he completed. the input is the number of minutes worked. the output is the number of problems completed. a. m(p) = 54p-6 b. m(p) = 6p - 54 c. m(p) = 54p +6 d. m(p) = 6p +54