Answer:
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Step-by-step explanation:
No. To test whether a graph is a function or not you do the vertical line test where if a vertical line touches more than one point it is not a function
Answer:
2x=-7y not sure tho just guessping probably wrong sorry
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
-1-6 is like 1+6 but with a negative sign before it.