document.write( "Question 1139328: For the functions f(x)=3x+9 and g(x)=2x-4, find (f+g)(0)
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Algebra.Com's Answer #757106 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( " \"f%28x%29=3x%2B9\" and \"g%28x%29=2x-4\", \r
\n" ); document.write( "\n" ); document.write( "find \"%28f%2Bg%29%280%29\"\r
\n" ); document.write( "\n" ); document.write( "first find \"%28f%2Bg%29%28x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%28x%29=f%28x%29%2Bg%28x%29\"......plug in given values\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%28x%29=3x%2B9%2B2x-4\"......add like terms\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%28x%29=5x%2B5\"\r
\n" ); document.write( "\n" ); document.write( "now find \"%28f%2Bg%29%280%29\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%28x%29=5x%2B5\".......plug in \"0\" for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%280%29=+5%2A0%2B5\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%280%29=+0%2B5\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%2Bg%29%280%29=+5\"\r
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