Respostas

2013-11-01T03:12:51-02:00
F(x)= 3-2x

f(-2) = 3 - 2* (-2)
f(-2) = 7

f(3) = 3 - 2 * 3
f(3) = 3 -6
f(3) = -3

f(-2) +f(3) = 7 + (-3) = 4