Idont get if you answer both, you get 20 points! if you answer one, you get 10 points!

17. y = .5x + 2

Coordinates:
(0, 2)
(1,2.5)
(2,3)
(3,3.5)
(4,4)
(5,4.5)

18. y = x + 1

Coordinates:
(0,1)
(1,2)
(2,3)
(3,4)
(4,5)
(5,6)

This one should just be a straight diagonal line, so it'll be easy to graph.

You have to do the plotting, I don't have a tool for that.