document.write( "Question 1061020: Find the average rate of change for the function between the given values.\r
\n" ); document.write( "\n" ); document.write( "f(x)= 3/x-2 ; from 4 to 7
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Algebra.Com's Answer #675867 by jim_thompson5910(35256)\"\" \"About 
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I'm assuming the function is \"f%28x%29=3%2F%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "Plug in x = 4\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=3%2F%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%284%29=3%2F%284-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%284%29=3%2F2\"\r
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\n" ); document.write( "\n" ); document.write( "Then plug in x = 7\r
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\n" ); document.write( "\n" ); document.write( "\"f%28x%29=3%2F%28x-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%287%29=3%2F%287-2%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"f%287%29=3%2F5\"\r
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\n" ); document.write( "\n" ); document.write( "Then use those values to find the average rate of change M\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%28f%28a%29-f%28b%29%29%2F%28a-b%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%28f%284%29-f%287%29%29%2F%284-7%29\" Plug in a = 4 and b = 7\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%283%2F2-3%2F5%29%2F%284-7%29\" Replace f(4) with 3/2. Replace f(7) with 3/5\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%2815%2F10-6%2F10%29%2F%284-7%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%289%2F10%29%2F%28-3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%289%2F10%29%2A%28-1%2F3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%289%2A%28-1%29%29%2F%2810%2A3%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+%28-9%29%2F%2830%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"M+=+-3%2F10\"\r
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\n" ); document.write( "\n" ); document.write( "So the average rate of change is \"-3%2F10\"
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