document.write( "Question 1101726: Where is F(x) = {x+2}/{x^2-2x-8} discontinuous?
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document.write( "A) –2
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document.write( "B) –2, 4
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document.write( "C) 4
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document.write( "D) f(x) is continuous everywhere \n" );
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Algebra.Com's Answer #716321 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! F(x) = {x+2}/{x^2-2x-8} \n" ); document.write( ": \n" ); document.write( "factor the denominator \n" ); document.write( ": \n" ); document.write( "(x+2) / ((x-4) * (x+2)) \n" ); document.write( ": \n" ); document.write( "reduce the expression \n" ); document.write( ": \n" ); document.write( "1 / (x-4) \n" ); document.write( ": \n" ); document.write( "since division by 0 is indeterminate \n" ); document.write( ": \n" ); document.write( "F(x) = {x+2}/{x^2-2x-8} is discontinuous at x = 4 \n" ); document.write( ": \n" ); document.write( "************* \n" ); document.write( "answer is C \n" ); document.write( "************* \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |