document.write( "Question 311325: if f(x)=x^2+3x+1 and g(x)=2x+5, the what does (f+g)(3)-(f/g)(4) equal? \n" ); document.write( "
Algebra.Com's Answer #222683 by Fombitz(32388)\"\" \"About 
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\"f%28x%29=x%5E2%2B3x%2B1\"\r
\n" ); document.write( "\n" ); document.write( "\"f%283%29=3%5E2%2B3%283%29%2B1=9%2B9%2B1=19\"\r
\n" ); document.write( "\n" ); document.write( "\"f%284%29=4%5E2%2B3%284%29%2B1=16%2B12%2B1=29\"
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\n" ); document.write( "\n" ); document.write( "\"g%28x%29=2x%2B5\"\r
\n" ); document.write( "\n" ); document.write( "\"g%283%29=2%283%29%2B5=11\"\r
\n" ); document.write( "\n" ); document.write( "\"g%284%29=2%284%29%2B5=13\"
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\n" ); document.write( "\n" ); document.write( "\"f%283%29%2Bg%283%29-f%284%29%2Fg%284%29=19%2B11-%2829%29%2F%2813%29+\"
\n" ); document.write( "\"f%283%29%2Bg%283%29-f%284%29%2Fg%284%29=30-29%2F13+\"
\n" ); document.write( "\"f%283%29%2Bg%283%29-f%284%29%2Fg%284%29=390%2F13-29%2F13+\"
\n" ); document.write( "\"f%283%29%2Bg%283%29-f%284%29%2Fg%284%29=highlight_green%28361%2F13%29+\"
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