Set up a table of values:

Question

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

Answer 1

x | y(1) | y(2)
-----------------------
8 | 9 | -17
4 | 7 | -9
0 | 5 | -1
-2 | 4 | 3