document.write( "Question 97283: whether or not it is a function,and justify your answer
\n" ); document.write( "a) g={(1,2),(3,1),(4,2),(7,2)} \n" ); document.write( "

Algebra.Com's Answer #70808 by elima(1433) $\"\"$ $\"About$

You can put this solution on YOUR website!
Yes because all x values are different. If you have a set of numbers with the same x value it is not a function.
\n" ); document.write( ":) \n" ); document.write( "

\n" );