document.write( "Question 1176846: Let
\n" ); document.write( "f(x) = 4x + 5 and g(x) = 9x − 4. Find the function. f − g\r
\n" ); document.write( "\n" ); document.write( "(f − g)(x) =\r
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Algebra.Com's Answer #804771 by MathLover1(20855)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29+=+4x+%2B+5\"
\n" ); document.write( "\"g%28x%29+=+9x+-4\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28f+-+g%29%28x%29+=4x+%2B+5-%289x+-4%29\"
\n" ); document.write( "\"%28f+-g%29%28x%29+=4x+%2B+5-9x+%2B+4\"
\n" ); document.write( "\"%28f+-+g%29%28x%29+=-5x+%2B+9\"\r
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\n" ); document.write( "\n" ); document.write( "domain: \"R\" (all real numbers)\r
\n" ); document.write( "\n" ); document.write( " interval notation: (\"-infinity\",\"infinity\")
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