document.write( "Question 1023185: evaluate f '(1) if f(x)=3x \n" ); document.write( "
Algebra.Com's Answer #638733 by fractalier(6550)\"\" \"About 
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The derivative of a line is a constant, since its slope is a constant. Thus, for
\n" ); document.write( "f(x) = 3x
\n" ); document.write( "f'(x) = 3
\n" ); document.write( "and
\n" ); document.write( "f'(1) = 3
\n" ); document.write( "
\n" );