Answer:

✑ Question :
- Is ( 11 , 9 ) , ( 11 , 5 ) , ( 9 , 3 ) a function ?
No , it's not a function.
✎ Reason :
This is not a function because one element 11 of set A is associated to elements 9 and 5 of set B.
♨ Explore about function :
↪ Function is a special type of relation. It is the refinement of relation. In a relation from A to B , every element of set A should have only one ( distinct ) image in B to be a function. In other words , if no two different ordered pairs have the same first component , then it is a function.
Hope I helped!
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The first one is the correct answer
Y-7=-3(x+2)
A. Always because imagine a line where one is y=x and the other is y=-x+1. The point of intersection would be (1,1)
Answer:
sorry i dont know the answer sorry for that
Step-by-step explanation: