For f(x) to be a function, the value of x should not be repeated. That is no x value can be more then once.
So the required table is
And for g(x) , not to be a function, we have to repeat x value that is
Tickets to a local movie were sold at $3.00 for adults and $1.50 for students. If 350 tickets were sold for a total of $630.00,
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