Answer:
is a function
Step-by-step explanation:
Any linear relation involving both x and y is a function.
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<em>Additional comment</em>
A line of the form x=constant is the only sort of line that is not a function. As you can see, it does not involve y, which is why I put the restriction in the above statement.
Answer:
1) MON 2) MPO
Step-by-step explanation:
The second and the third one because first is the same as 3 4/7 and 81=3^4