Consider the function f(x) = x^3. What is the average rate of change of this function between x = -2 and x = 1? The solution I got was 2.667 Can anyone tell me if I'm right?
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$\displaystyle f(x) = x^3$ $\displaystyle \frac{f(1) - f(-2)}{1 - (-2)} = \frac{1 - (-8)}{3} = 3$
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