Respostas

2013-04-04T16:31:22-03:00

a) f(-1) = (3.-1) - 9

            = -3 - 9 = -12

 

b) f(0) = 0 - 9 = -9

 

c) f(3) = (3.3) -9

              9 - 9 = 0

 

d) f(1/3) = (3.1/3) - 9

             = 1 - 9 = -8

3 5 3