document.write( "Question 922876: Let f(x)=x^2+3x and g(x)=4x-1, and find
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Algebra.Com's Answer #559751 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "Let \"f%28x%29=x%5E2%2B3x\" and \"g%28x%29=4x-1\", and find\r
\n" ); document.write( "\n" ); document.write( "a. \"%28f%2Ag%29%280%29=%28x%5E2%2B3x%29%284x-1%29=%280%5E2%2B3%2A0%29%284%2A0-1%29=0%28-1%29=0\"\r
\n" ); document.write( "\n" ); document.write( "b. \"%28g%2Af%29%280%29=%28f%2Ag%29%280%29\"...commutation property of multiplication; so,\"%28g%2Af%29%280%29=0\"\r
\n" ); document.write( "\n" ); document.write( "c. \"%28f%2Ag%29%28x%29=%28x%5E2%2B3x%29%284x-1%29=4x%5E3-x%5E2%2B12x-3x=4x%5E3-x%5E2%2B9x\"\r
\n" ); document.write( "\n" ); document.write( "d. \"%28g%2Af%29%28x%29=%28f%2Ag%29%28x%29\"...commutation property of multiplication; so,\"%28g%2Af%29%28x%29=4x%5E3-x%5E2%2B9x\"
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