document.write( "Question 215949: f(x)=3x +7 then f(x+2)= \n" ); document.write( "

Algebra.Com's Answer #163116 by nerdybill(7384) $\"\"$ $\"About$

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f(x)=3x +7
\n" ); document.write( "then
\n" ); document.write( "f(x+2)= 3(x+2) + 7
\n" ); document.write( "f(x+2)= 3x+6 + 7
\n" ); document.write( "f(x+2)= 3x+13\r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );