document.write( "Question 773754: Please help me on function notation. If f = {(1,4), (-2,0), (pi,0)}, Find f(1). \n" ); document.write( "
Algebra.Com's Answer #471816 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
Every 1st coordinate is matched to exactly 1 - 2nd coordinate (by definition of a function) the first ordered pair is (1,4) so 1 is matched with 4: f(1)=4 \n" ); document.write( "
\n" );