document.write( "Question 1144236: Can someone help? Thank you.\r
\n" ); document.write( "\n" ); document.write( "When given f(x)=2x^2+4x-1, evaluate and simplify f(z+3).\r
\n" ); document.write( "\n" ); document.write( "Would I plug in z to x in the original equation?
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Algebra.Com's Answer #765269 by Alan3354(69443)\"\" \"About 
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When given f(x)=2x^2+4x-1, evaluate and simplify f(z+3).\r
\n" ); document.write( "\n" ); document.write( "Would I plug in z to x in the original equation?
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\n" ); document.write( "Wherever there's an x, sub (z+3)
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