document.write( "Question 1199203: How to find the limits of a quadratic function?\r
\n" ); document.write( "\n" ); document.write( "lim (x--> 4) g(x)\r
\n" ); document.write( "\n" ); document.write( "g(x) = ( \"x%5E2+-+16+\" )\r
\n" ); document.write( "\n" ); document.write( "I thought it would be DNE because I thought 4^+ would be - infinity and 4^- would be + infinity. But the answer is 0 and I don't understand why.
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Algebra.Com's Answer #832951 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "To find the limit of a quadratic function,  simply substitute the value of the argument \r
\n" ); document.write( "\n" ); document.write( "into the quadratic function;  then calculate its value.\r
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\n" ); document.write( "\n" ); document.write( "It works,  because  EVERY  quadratic function is a  CONTINUOUS  function.\r
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