document.write( "Question 337684: calculate the average rate of change for f(x)--x2+4x between x=-2 and x=-1 \n" ); document.write( "
Algebra.Com's Answer #242095 by Fombitz(32388)\"\" \"About 
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\n" ); document.write( "Evaluate the function at these two points and complete the calculation.
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