document.write( "Question 318664: given:
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\n" ); document.write( "f(x)= x2+x-6/x2+8x+15\r
\n" ); document.write( "\n" ); document.write( "Write the solution set in the blank using interval notation for f(x)>0\r
\n" ); document.write( "\n" ); document.write( "The (x2) parts in the problem mean (x squared)
\n" ); document.write( "The f(x)>0 is supposed to be (greater than or equal to) not just greater than\r
\n" ); document.write( "\n" ); document.write( "Thank you for taking the time to look at this, appreciate it alot.
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Algebra.Com's Answer #228126 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=+%28x%5E2%2Bx-6%29%2F%28x%5E2%2B8x%2B15%29\"
\n" ); document.write( "\"f%28x%29=+%28%28x%2B3%29%28x-2%29%29%2F%28%28x%2B3%29%28x%2B5%29%29\"
\n" ); document.write( "\"f%28x%29=+%28x-2%29%2F%28x%2B5%29\"
\n" ); document.write( "Break up the number line into three parts.
\n" ); document.write( "Region 1: (\"-infinity\",\"-5\")
\n" ); document.write( "Region 2: (\"-5\",\"2\")
\n" ); document.write( "Region 3: (\"2\",\"infinity\")
\n" ); document.write( "Pick a point in each region (not at the endpoints) and test the function.
\n" ); document.write( "If it solves the equation, it's in the solution region.
\n" ); document.write( "Region 1: \"x=-10\"
\n" ); document.write( "\"%28x-2%29%2F%28x%2B5%29%3E0\"
\n" ); document.write( "\"%28-10-2%29%2F%28-10%2B5%29%3E0\"
\n" ); document.write( "\"%28-12%29%2F%28-5%29%3E0\"
\n" ); document.write( "\"12%2F5%3E0\"
\n" ); document.write( "True, Region 1 is part of the solution.
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\n" ); document.write( "Region 2: \"x=0\"
\n" ); document.write( "\"%28x-2%29%2F%28x%2B5%29%3E0\"
\n" ); document.write( "\"%28-2%29%2F%285%29%3E0\"
\n" ); document.write( "\"%28-2%29%2F%285%29%3E0\"
\n" ); document.write( "False, Region 2 is not part of the solution.
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\n" ); document.write( "Region 3: \"x=5\"
\n" ); document.write( "\"%28x-2%29%2F%28x%2B5%29%3E0\"
\n" ); document.write( "\"%285-2%29%2F%285%2B5%29%3E0\"
\n" ); document.write( "\"%283%29%2F%2810%29%3E0\"
\n" ); document.write( "True, Region 3 is part of the solution.
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\n" ); document.write( "(\"-infinity\",\"-5\") U (\"2\",\"infinity\")
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\n" ); document.write( "Graphical verification of the results.
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