document.write( "Question 667167: if f(x)=2x+3 and g(x)=x^2-3x^-1,then what is f(x)+g(x)? \n" ); document.write( "

Algebra.Com's Answer #414846 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
if $\"f%28x%29=2x%2B3\"$ and $\"g%28x%29=x%5E2-3x%5E-1\"$ ,then \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29%2Bg%28x%29=%282x%2B3%29%2B%28x%5E2-3x%5E-1%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29%2Bg%28x%29=2x%2B3%2Bx%5E2-3%2A%281%2Fx%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29%2Bg%28x%29=x%5E2%2B2x-3%2Fx%2B3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29%2Bg%28x%29=%28x%5E3%2B2x%5E2%2B3x-3%29%2Fx\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-10%2C+30%2C+-30%2C+10%2C+%28x%5E3%2B2x%5E2%2B3x-3%29%2Fx%29+\"$ \n" ); document.write( "

\n" );