Question

construa o grafico da função f (x) = 2x-4

Answer 1

f (x) = 2x-4
-2x=-4.(-1)
x=4/2
x=2

f(0)= 2.0 - 4
f(0) = -4

link do grafico :

http://flockdraw.com/gallery/view/2299725

;)