document.write( "Question 57914: what is f(2x+1) if f(x)=x+4x ? \n" ); document.write( "
Algebra.Com's Answer #39577 by stanbon(75887)\"\" \"About 
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what is f(2x+1) if f(x)=x+4x ?
\n" ); document.write( "f(2x+1)=(2x+1)+4(2x+1)
\n" ); document.write( "f(2x+1)=2x+1+8x+4
\n" ); document.write( "=10x+4
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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