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Answer 1 · 2016-09-29T03:05:18

The average rate of change is 2.

#y=x^2-x+1#

To find the average rate of change of the function in the interval #[0,3]#, use the formula

#A(x)=frac{f(x)-f(a)}{x-a}#

#A(x)=frac{f(3)-f(0)}{3-0}#

#A(x)=frac{(3^2-3+1)-(0^2-0+1)}{3}#

#A(x)=(7-1)/3#

#A(x)=6/3=2#