document.write( "Question 1082381: If f(x) = 4x, and f(x + 2) – f(x) = k f(x), then what is the value of k? \n" ); document.write( "

Algebra.Com's Answer #696439 by josgarithmetic(39620) $\"\"$ $\"About$

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$\"f%28x+%2B+2%29%96f%28x%29=kf%28x%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4%28x%2B2%29-4x=k%2A4x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"4x%2B8-4x=k%2A4x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"8=k%2A4x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"k=8%2F%284x%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"k=2%2Fx\"$ , expression; not a value \n" ); document.write( "

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