document.write( "Question 414947: f={(1,2),(2,4),(3,6),(4,8)}then find f(3) \n" ); document.write( "
Algebra.Com's Answer #290977 by richard1234(7193)\"\" \"About 
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(3,6) is an ordered pair defined in f, so f(3) = 6. \n" ); document.write( "
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