document.write( "Question 1196097: f(x) = x2 − 2x + 4, (f(7 + h) − f(7))/ h , h ≠ 0
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Algebra.Com's Answer #828791 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29+=+x%5E2+-+2x+%2B+4+\"\r
\n" ); document.write( "\n" ); document.write( "find:\r
\n" ); document.write( "\n" ); document.write( "\"%28f%287+%2B+h%29+-f%287%29%29%2F+h\" , \"h\"\"0\"\r
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\n" ); document.write( "\n" ); document.write( "first find \"f%287+%2B+h%29++\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287+%2B+h%29+=+%287+%2B+h%29%5E2+-+2%287+%2B+h%29%2B+4\" \r
\n" ); document.write( "\n" ); document.write( "\"f%287+%2B+h%29+=+h%5E2+%2B+14h+%2B+49-+14+-2h%2B+4+\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287+%2B+h%29+=+h%5E2+%2B+12+h+%2B+39\"\r
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\n" ); document.write( "\n" ); document.write( "now find \"f%287%29\"\r
\n" ); document.write( "\n" ); document.write( "\"f%287%29+=+7%5E2+-+2%2A7+%2B+4+=39\"\r
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\n" ); document.write( "\n" ); document.write( "then \r
\n" ); document.write( "\n" ); document.write( "\"%28f%287+%2B+h%29+-f%287%29%29%2F+h+=%28h%5E2+%2B+12+h+%2B+39+-39%29%2F+h+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%287+%2B+h%29+-f%287%29%29%2F+h+=%28h%5E2+%2B+12h+%29%2F+h+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%287+%2B+h%29+-f%287%29%29%2F+h+=h%28h+%2B+12+%29%2F+h+\"\r
\n" ); document.write( "\n" ); document.write( "\"%28f%287+%2B+h%29+-f%287%29%29%2F+h+=h+%2B+12+\"\r
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