Answer:
1: Is a function
2: Isnt a function
3: Is a function
4: Isnt a function
Reminder: Functions CAN"T have the same x values but different y values!!!!
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Answer:

Step-by-step explanation:
Incomplete question
Answer:
7/12
Step-by-step explanation:
First you have to find a comnon demominator, which is 12.

Next, add them together.
