Respostas

2014-04-23T13:04:03-03:00
coef. angular m = Dy/Dx
m = (3-0) / (4-2)
m = 3/2
y - 0 = 3/2 (x - 2)
y = f(x) = 3x/2 - 3
f(3) = 3(3)/2 - 3
f(3) / 9/2 - 6/2
f(3) = 3/2 (resp)