document.write( "Question 838837: Help with these functions?\r
\n" ); document.write( "\n" ); document.write( "Find the following, simplify completely:
\n" ); document.write( "f(x) = 10x^2 + 9x + 8\r
\n" ); document.write( "\n" ); document.write( "(a) f(x+h)\r
\n" ); document.write( "\n" ); document.write( "(b) f(x + h) − f(x)\r
\n" ); document.write( "\n" ); document.write( "(c) f(x+h) - f(x)/h where h does not equal 0\r
\n" ); document.write( "\n" ); document.write( "(d) the value f(x+h)-f(x)/h as h approaches 0\r
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Algebra.Com's Answer #505445 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"f%28x%29+=+10x%5E2+%2B+9x+%2B+8\"
\n" ); document.write( "a)\"f%28x%2Bh%29+=+10%28x%2Bh%29%5E2+%2B+9%28x%2Bh%29+%2B+8\"
\n" ); document.write( "\"f%28x%2Bh%29+=+10%28x%5E2%2B2xh%2Bh%5E2%29+%2B+9%28x%2Bh%29+%2B+8\"
\n" ); document.write( "\"f%28x%2Bh%29+=+10x%5E2%2B20xh%2B10h%5E2+%2B+9x%2B9h+%2B+8\"
\n" ); document.write( "b) \"f%28x%2Bh%29-f%28x%29+=+10x%5E2-10x%5E2%2B20xh%2B10h%5E2+%2B+9x-9x%2B9h+%2B+8-8\"
\n" ); document.write( "\"f%28x%2Bh%29-f%28x%29+=+20xh%2B10h%5E2+%2B+9h+\"
\n" ); document.write( "c)\"+%28f%28x%2Bh%29-f%28x%29%29%2Fh+=+20x%2B10h+%2B+9+\"
\n" ); document.write( "d)\"lim%28h-%3E0%2C%28f%28x%2Bh%29-f%28x%29%29%2Fh%29=20x%2B10%280%29%2B9=20x%2B9\"
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