document.write( "Question 1135038: what is the average rate of change from x=1 to x=4?
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Algebra.Com's Answer #752555 by ikleyn(52814) $\"\"$ $\"About$

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document.write( "The average rate of change of the function f(x) from x= 1 to x= 4 is equal to\r\n" );
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document.write( "by the definition.\r\n" );
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document.write( "In other words, you need to calculate the values of the function at x= 4 an at x= 1.\r\n" );
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document.write( "Then take the difference of these values\r\n" );
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document.write( "and then divide the difference by the length of the interval, which (the length) is 4-1 = 3 in your case.\r\n" );
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