document.write( "Question 95250: f(x)=x^2-2, then f(x+2)-f(x)=????? \n" ); document.write( "
Algebra.Com's Answer #69349 by stanbon(75887) ![]() You can put this solution on YOUR website! f(x)=x^2-2, then f(x+2)-f(x) \n" ); document.write( "---------- \n" ); document.write( "f(x+2) = (x+2)^2-2 \n" ); document.write( "= x^2+4x+2 \n" ); document.write( "-------- \n" ); document.write( "f(x)=x^2-2 \n" ); document.write( "---------- \n" ); document.write( "Subtract f(x) from f(x+2) to get: \n" ); document.write( "f(x+2)-f(x) = 4x+4 \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |