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polet [3.4K]
3 years ago
5

Find the average rate of change for the given function from x = −1 to x = 2.

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0
Well, if you look at the graph, when x = -1, y or f(x) = 4.

and when x = 2, y = 0.

\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\
\begin{cases}
x_1=-1\\
x_2=2
\end{cases}\implies \cfrac{f(2)-f(-1)}{2-(-1)}\implies \cfrac{0-4}{2+1}\implies \cfrac{-4}{3}
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