4. Set up a table of values:
Y(1) = 1/2x + 5
Y(2) = -2x -1
x y(1)
1/2x+5 y(2)
-2x - 1 (x,y(1))
(x, y(2))
8
4
0
-2
x y(1) y(2)
8 9 -17
4 7 -9
0 5 -1
-2 4 3
Y(1) = 1/2x + 5
Y(2) = -2x -1
x y(1)
1/2x+5 y(2)
-2x - 1 (x,y(1))
(x, y(2))
8
4
0
-2
8 9 -17
4 7 -9
0 5 -1
-2 4 3