Answer: Heres the real answer
1.
x | y
0 3
1 -1
2 -5
3 -9
-
2.
x | y
-6 -5
-3 -3
0 -1
3 1
-
3.
x | y
-1 -2
0 0
1 2
2 4
-
4.
x | y
-2 6
0 5
2 4
4 3
-
5.
x | y
-1 -8
0 -1
1 6
{8,-1,6}
-
6.
x | y
-2 2
0 3
2 4
4 5
{2,,3,4,5}
-
7. C
8. A
9, D
10. B
Explanation:
1. -4x (the number), add 3
2. 2/3x (the number), subtract -1
3. 2x (just multiply)
4. 5-1/2x (the number)
5. (expl; y=7x1, subtrack 7-(neg)-1=-7-1=-8, because it turns into a positive)
6. Same as #2
7. 2/3x-3+4