document.write( "Question 672614: Two function f and g are defined by the rules f(x) = (x^2-6x) and g(x) = ( x+4). Represent the follwing in a graph \n" ); document.write( "
Algebra.Com's Answer #418209 by MathLover1(20849)\"\" \"About 
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\"f%28x%29+=+%28x%5E2-6x%29\" and \"g%28x%29+=+%28+x%2B4%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+%28x%5E2-6x%29\"..=>...\"f%28x%29+=+x%28x-6%29\"; so, roots are\r
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\n" ); document.write( "\n" ); document.write( "\"x%28x-6%29=0\"\r
\n" ); document.write( "\n" ); document.write( "if \"x=0\", then \"x=0\"........one point is (\"0\",\"0\")\r
\n" ); document.write( "\n" ); document.write( "if \"x-6=0\", then \"x=6\".....second point is (\"6\",\"0\")\r
\n" ); document.write( "\n" ); document.write( "find few more points and make a table\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+%28x%5E2-6x%29\"..let \"x=1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%281%29+=+%281%5E2-6%2A1%29\".....=> \"f%281%29+=+1-6\"...=> \"f%281%29+=+-5\"...third point is (\"1\",\"-5\")\r
\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+%28x%5E2-6x%29\"..let \"x=-1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%28-1%29+=+%28%28-1%29%5E2-6%2A%28-1%291%29\".....=> \"f%28-1%29+=+1%2B6\"...=> \"f%28-1%29+=+7\"...third point is (\"-1\",\"7\")\r
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\n" ); document.write( "\n" ); document.write( "table\r
\n" ); document.write( "\n" ); document.write( "\"x\"|\"f%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"0\"|\"0\"\r
\n" ); document.write( "\n" ); document.write( "\"6\"|\"0\"\r
\n" ); document.write( "\n" ); document.write( "\"1\"|\"-5\"\r
\n" ); document.write( "\n" ); document.write( "\"-1\"|\"7\"\r
\n" ); document.write( "\n" ); document.write( "plot these points and draw a graph of a parabola\r
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\n" ); document.write( "\n" ); document.write( "for \"g%28x%29+=+%28+x%2B4%29\" root is\r
\n" ); document.write( "\n" ); document.write( "if \"+%28+x%2B4%29=0\", then \"x=-4\"\r
\n" ); document.write( "\n" ); document.write( "this is linear function and we will need only two points to graph a strait line\r
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\n" ); document.write( "\n" ); document.write( "\"x\"|\"f%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"0\"|\"4\"\r
\n" ); document.write( "\n" ); document.write( "\"-4\"|\"0\"\r
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\n" ); document.write( "\n" ); document.write( "\"+graph%28+600%2C+600%2C+-10%2C+20%2C+-10%2C+20%2C+x%5E2-6x%2C+x%2B4%29+\"\r
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