document.write( "Question 825669: Graph the rational equation $\"f%28x%29=%28%28x%5E2%29-25%29%2F%28x-5%29\"$
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\n" ); document.write( "\n" ); document.write( "c. What do you think is the correlation between a graph and a limit?
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Algebra.Com's Answer #497490 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!
Graph the rational equation $\"%22f%28x%29%22\"$ $\"%22%22=%22%22\"$ $\"%28x%5E2-25%29%2F%28x-5%29\"$ \r
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\n" ); document.write( "\n" ); document.write( "a. What do you notice about the graph at x = 5?
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document.write( "The equation is undefined at x=5, as  is not defined.\r\n" );
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document.write( "That's why there is a hole in the graph, indicated by the\r\n" );
document.write( "open circle.\r\n" );
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\n" ); document.write( "b. Use the graph to estimate the limit as x approaches 5.
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document.write( "We can see that as x approaches 5 the value of y approaches 10, and we\r\n" );
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\n" ); document.write( "c. What do you think is the correlation between a graph and a limit?
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document.write( "That's a very vague question.  I'm guessing that what it's asking is that for\r\n" );
document.write( "the graph of f(x) to be continuous at x=a, this must be true\r\n" );
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document.write( ".\r\n" );
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document.write( "Edwin

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