Respostas

2013-03-06T18:43:50-03:00

f(x) = 5

f(x + h) - f(x) = 5(x + h) - 5x = 5x + 5h - 5x = 5h

[f(x + h) - f(x)]/h = [5(x + h) - 5x]/h = [5x + 5h - 5x]/h = 5h/h = 5

2 3 2