document.write( "Question 290606: Given the function f described by f(x)=2x find each of the following\r
\n" ); document.write( "\n" ); document.write( "f(-5)=
\n" ); document.write( "f(18)=
\n" ); document.write( "f (21)= \n" ); document.write( "

Algebra.Com's Answer #210279 by user_dude2008(1862) $\"\"$ $\"About$

You can put this solution on YOUR website!
f(-5)=2(-5)=-10
\n" ); document.write( "f(18)=2(18)=36
\n" ); document.write( "f(21)=2(21)=42 \n" ); document.write( "

\n" );