The formula m = 12,000 + 12,000rt/12t gives Keri's monthly loan payment, where r is the annual interest rate and t is the length of the loan, in years. Explain why the formula is a rational function for a given value of r. What if you are given t?

Use the expression below.–4b + 8c + 12 – 8b – 2c + 6part asimplify the expression. enter your answers in the boxes. b + c + part bfactor the simplified expression using the gcf. a. 2(–2b + c + 3) b. 3(–2b + c + 3) c. 4(–2b + c + 3) d. 6(–2b + c + 3)part cwhat is the value of the expression when b = 2 and c = –3? enter your answer in the box.