X can be anything you want as long as it is not 1 or -7. If you have repeated x values with different y values, then it won't be a function.
Answer:
21
Step-by-step explanation:
2(7+6)-5
2(13)-5
26-5
21
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The formula for slope is y2-y1/x2-x1 so you would do -4-9/0-2 which is -9 /-2 so the slope is 4 1/2 or 4.5
Answer:
Ok I gotchu!
5/16 I think-
Step-by-step explanation:
