• As x increases, y • The rate of change for y as a function of is
therefore the function is
v
• For all values of the function value y
0.
• The y-intercept of the graph is the function value y =
• When x = 1, the function value y =
y
9H
8
7
6-
5-
4
3-
2-
1
H
|--9-8-7-6-5-4-3-2
1 2 3 4 5 6
7 8 9