4-202-9) <0 O a.
{919 < 1 / 3
Ob. {alas 7 /}
4 -3 -2 -1 0
1
2
3
4
4 -3 -2 -1 0 1
2
3
4
Oc{11921 / }
d. {919 s0}
-4 -3 -2 -1 0
1
2
3
4
-4 -3 -2 -1 0
1
2
3
4

Add, subtract, multiply, or divide as indicated. list any restrictions for the variable(s) and simplify the answers when possible. 1) x-2 / x+5 + 3x / 2x-1 2) x+6 / x-6 - x^2 / x+6 3) x+9 / x-4 + x+2 / x^2-11x+28 4) x / x^2-64 + 11 / 2x^2+11x-40 5) 5 / x + 11 / x-3 - x-4 / x^2+2x-15