Chapter 2 - 2.2 - Functions - 2.2 Exercises - Page 185: 71b

(n, R(n)) = {(90,675),(100,700),(110,715),(120,720),(130,715),(140,700),(150,675)}

R(n) = 8 - 0.05(n-80) Using the answer from part a to tabulate the following, we find: (n, R(n)) = {(90,675),(100,700),(110,715),(120,720),(130,715),(140,700),(150,675)}