document.write( "Question 965833: help would really be appreciated. let f(x)=2x^2+4x-30/(over)x-3. show that f has a removable discontinuity at x=3 and determine what value for f(3) would make f(x) continuous at x=3. so f(3)= \n" ); document.write( "

Algebra.Com's Answer #590328 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"2x%5E2%2B4x-30=2%28x%5E2%2B2x-15%29\"$
\n" ); document.write( " $\"2x%5E2%2B4x-30=2%28x%2B5%29%28x-3%29\"$
\n" ); document.write( "So then,
\n" ); document.write( " $\"%282x%5E2%2B4x-30%29%2F%28x-3%29=%282%28x%2B5%29%28x-3%29%29%2F%28x-3%29\"$
\n" ); document.write( " $\"%282x%5E2%2B4x-30%29%2F%28x-3%29=2%28x%2B5%29\"$
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".\r
\n" ); document.write( "\n" ); document.write( " $\"f%283%29=2%283%2B5%29\"$
\n" ); document.write( " $\"f%283%29=16\"$
\n" ); document.write( "

. \n" ); document.write( "

\n" );