document.write( "Question 1174208: Determine the value of a so that the average rate of change of the function h(x)= x^2+3x+2 on the interval -3<=x<=a is -1. \n" ); document.write( "
Algebra.Com's Answer #799601 by htmentor(1343)\"\" \"About 
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Average rate of change = (h(x2) - h(x1))/(x2 - x1), where the interval is [x1,x2]
\n" ); document.write( "-1 = a^2 + 3a + 2 - ((-3)^2 - 3*3 + 2)/(a - -3)
\n" ); document.write( "-1 = (a^2 + 3a)/(a + 3) = a(a + 3)/(a + 3) = a
\n" ); document.write( "Ans: a = -1
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