document.write( "Question 176640This question is from textbook College Mathematics
\n" ); document.write( ": 1.Given f(x) = 5x+4 and g(x)= 3x-8: find f g\r
\n" ); document.write( "\n" ); document.write( "2.Find the distance between the pair of points (-1, -4) and (-5, -7)\r
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Algebra.Com's Answer #131735 by Fombitz(32388) $\"\"$ $\"About$

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$\"f%28x%29+=+5x%2B4\"$
\n" ); document.write( " $\"g%28x%29=+3x-8\"$
\n" ); document.write( " $\"f%28g%28x%29%29+=+5%283x-8%29%2B4\"$
\n" ); document.write( " $\"f%28g%28x%29%29+=+15x-40%2B4\"$
\n" ); document.write( " $\"f%28g%28x%29%29+=+15x-36\"$
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\n" ); document.write( "The distance formula is,
\n" ); document.write( " $\"D=sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"D=sqrt%28%28-1-%28-5%29%29%5E2%2B%28-4-%28-7%29%29%5E2%29\"$
\n" ); document.write( " $\"D=sqrt%28%284%29%5E2%2B%283%29%5E2%29\"$
\n" ); document.write( " $\"D=sqrt%2816%2B9%29\"$
\n" ); document.write( " $\"D=sqrt%2825%29\"$
\n" ); document.write( " $\"D=5\"$
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