Let 
be the four numbers. Their average is 8, so
You know that three of the numbers have a sum of 22, so
Solve for
:
You know that three of the numbers have a sum of 22, so
Solve for
-5/4 multiply by 1/3
1 answer:
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Answer:
a) {(3,3),(3,4),(4,5),(4,6)}
Step-by-step explanation:
Given
(a) to (d)
Required
Which is not a function
A relation is represented as:
For the relation t be a relation, then:
where
This means that none of the x values must be related.
The first relation has 3 repeated as its value of . Hence, (a) is a relation