document.write( "Question 636053: I'm having trouble can you help me with this problem?
\n" ); document.write( "Evaluate the function f(x)=x^+2x-9 at the given values of the independent variable and simplify.
\n" ); document.write( "f(-8) f(x+5) f(x-)\r
\n" ); document.write( "\n" ); document.write( "Please help.
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Algebra.Com's Answer #400695 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29=x%5E2%2B2x-9+\"
\n" ); document.write( "\"f%28-8%29=%28-8%29%5E2%2B2%2A%28-8%29-9+=64-16-9=39\"
\n" ); document.write( "\"f%28x%2B5%29=%28x%2B5%29%5E2%2B2%28x%2B5%29-9=x%5E2%2B10x%2B25%2B2x%2B10-9=x%5E2%2B12x%2B26\"
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