document.write( "Question 1163955: Given f(x) = √x + 1, find the average rate of change between x = 4 and x = 9. \n" ); document.write( "
Algebra.Com's Answer #788204 by ikleyn(52803)\"\" \"About 
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document.write( "You should take the difference of the function's values at the endpoints and divide it by the distance between the endpoints\r\n" );
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document.write( "    the average rate of change between x = 4 and x = 9  is  \"%28sqrt%289%2B1%29-sqrt%284%2B1%29%29%2F%289-4%29\" = \"%28sqrt%2810%29-sqrt%285%29%29%2F5\".\r\n" );
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document.write( "At this point, use your calculator.\r\n" );
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