document.write( "Question 404119: given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10. \n" ); document.write( "

Algebra.Com's Answer #285635 by stanbon(75887) $\"\"$ $\"About$

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given f(x)=20x+7 and g(x) =2x^2-4x+13, find (f-g)(x) then evaluate the difference when x=10.
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\n" ); document.write( "(f-g)(x) = f(x)-g(x)
\n" ); document.write( "---
\n" ); document.write( "= 20x+7 - (2x^2-4x+13)
\n" ); document.write( "----
\n" ); document.write( "= -2x^2 +24x -6
\n" ); document.write( "-----
\n" ); document.write( "(f-g)(10) = -2(10^2)+24(10)-6
\n" ); document.write( "= -200 + 240 -6
\n" ); document.write( "---
\n" ); document.write( "= 34
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "

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