Question
Find the average rate of change of the function from $x_{1}$ to $x_{2}$.$$ \text {Function} \quad \text {x-Values}$$$$f(x)=x^{2}+12 x-4 \quad x_{1}=1, x_{2}=5$$
Step 1
For $x_{1}=1$, we have $f(1)=(1)^{2}+12(1)-4=1+12-4=9$. So, we have a point $(1,9)$ on the graph of the function. Show more…
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Find the average rate of change of the function from $x_{1}$ to $x_{2} .$ $f(x)=x^{2}-2 x+8 \quad x_{1}=1, x_{2}=5$
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