Respostas

2013-12-03T21:28:21-02:00
 f(x) = (m + 1)x - 3 

f(4) = 6

(m+1).4 - 3 = 6
4m + 4 -3 = 6
4m + 1 = 6
4m = 6-1
4m = 5
m = 5/4