i have multi sentence equation and some point like this:
0<x<5 y=6
5<x<12 y=3x+6
12<x<15 y=-3x+7
15<x<20 y=6
and my points are(x,Y)
1 1
1 3
1 5
1 7
1 9
1 11
1 13
1 15
1 17
3 1
3 3
3 5
3 7
3 9
3 11
3 13
3 15
3 17
5 1
5 3
5 5
5 7
5 9
5 11
5 13
5 15
5 17
7 1
7 3
7 5
7 7
7 9
7 11
7 13
7 15
7 17
9 1
9 3
9 5
9 7
9 9
9 11
9 13
9 15
9 17
11 1
11 3
11 5
11 7
11 9
11 11
11 13
11 15
11 17
13 1
13 3
13 5
13 7
13 9
13 11
13 13
13 15
13 17
15 1
15 3
15 5
15 7
15 9
15 11
15 13
15 15
15 17
17 1
17 3
17 5
17 7
17 9
17 11
17 13
17 15
17 17
how can i find which point are under the equation
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