document.write( "Question 990216: find the average rate of change of the function between
\n" ); document.write( "b). Show that the average rate of change is the same as the slope of the line. x = a and x = a + h
\n" ); document.write( "f(x)=½x+3 \n" ); document.write( "
Algebra.Com's Answer #610272 by Boreal(15235)\"\" \"About 
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F(a)=(a)/2+3
\n" ); document.write( "F(a+h)=(a+h)/2 +3
\n" ); document.write( "{F(a+h)-F(a)}/h
\n" ); document.write( "and (a+h)/2+3-(a/2)-3=(a/2)+(h/2)-(a/2)=h/2
\n" ); document.write( "That is divided by h=(1/2)
\n" ); document.write( "As h approaches 0, it is not a factor.
\n" ); document.write( "The slope is (1/2).
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