Values of X	Values of Y
-20	60
-19	60
-18	60
-17	60
-16	60
-15	60
-14	60
-13	60
-12	60
-11	60
-10	60
-9	60
-8	60
-7	60
-6	60
-5	60
-4	60
-3	60
-2	60
-1	60
0	60
1	60
2	60
3	60
4	60
5	60
6	60
7	60
8	60
9	60
10	60
11	60
12	60
13	60
14	60
15	60
16	60
17	60
18	60
19	60
20	60

Depicted as a graph, we have the following:

Assurance A is X=-20 Y=-60 and for

assurance B is X=20 and Y=60

construct a linear model . What is the equation for this association?