Answer:
{(3,-2), (4,-2),(5,-2), (6,-2)} this relation is not a function.
Answer:

Step-by-step explanation:
1. 
2.
3. divide both sides by 7
4. 
Closed circle on -1 and the line goes to the left
Answer:
<h2>3x-x+2=4</h2>
Step-by-step explanation:
2%2A8%2A2%5E6