Respostas

2013-08-24T01:37:10-03:00
Q = unidades

C(Q) = 3Q + 60
C(0) = 3.0 + 60 = 60

C(5) = 3.5 + 60 = 75

C(10) = 3.10 + 60 = 90

C(15) = 3.15 + 60 = 105

C(20) = 3.20 + 60 = 120