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Questions: Algebra BusinessCalculus
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On January 4, 1985 the price of a sprocket was $90.20. On January 4, 2009 the price of a sprocket was $35.67. Find the average rate of change in the price of a sprocket from 1985 to 2009. Round to the nearest cent.
The average rate of change is \(\displaystyle \frac{35.67-90.20}{2009-1985}= -2.27\) dollars per year.
\begin{question}On January 4, 1985 the price of a sprocket was \$90.20. On January 4, 2009 the price of a sprocket was \$35.67. Find the average rate of change in the price of a sprocket from 1985 to 2009. Round to the nearest cent.
\soln{9cm}{The average rate of change is $\frac{35.67-90.20}{2009-1985}= -2.27$ dollars per year.}
\end{question}
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\begin{document}\begin{question}(10pts) The question goes here!
\soln{9cm}{The solution goes here.}
\end{question}\end{document}<p> <p>On January 4, 1985 the price of a sprocket was $90.20. On January 4, 2009 the price of a sprocket was $35.67. Find the average rate of change in the price of a sprocket from 1985 to 2009. Round to the nearest cent.</p> </p>
<p> <p>The average rate of change is <img class="equation_image" title=" \displaystyle \frac{35.67-90.20}{2009-1985}= -2.27 " src="/equation_images/%20%5Cdisplaystyle%20%5Cfrac%7B35.67-90.20%7D%7B2009-1985%7D%3D%20-2.27%20" alt="LaTeX: \displaystyle \frac{35.67-90.20}{2009-1985}= -2.27 " data-equation-content=" \displaystyle \frac{35.67-90.20}{2009-1985}= -2.27 " /> dollars per year.</p> </p>