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Questions: Algebra BusinessCalculus
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On January 4, 1967 the price of a widget was $78.51. On January 4, 1998 the price of a widget was $38.48. Find the average rate of change in the price of a widget from 1967 to 1998. Round to the nearest cent.
The average rate of change is \(\displaystyle \frac{38.48-78.51}{1998-1967}= -1.29\) dollars per year.
\begin{question}On January 4, 1967 the price of a widget was \$78.51. On January 4, 1998 the price of a widget was \$38.48. Find the average rate of change in the price of a widget from 1967 to 1998. Round to the nearest cent.
\soln{9cm}{The average rate of change is $\frac{38.48-78.51}{1998-1967}= -1.29$ 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, 1967 the price of a widget was $78.51. On January 4, 1998 the price of a widget was $38.48. Find the average rate of change in the price of a widget from 1967 to 1998. Round to the nearest cent.</p> </p>
<p> <p>The average rate of change is <img class="equation_image" title=" \displaystyle \frac{38.48-78.51}{1998-1967}= -1.29 " src="/equation_images/%20%5Cdisplaystyle%20%5Cfrac%7B38.48-78.51%7D%7B1998-1967%7D%3D%20-1.29%20" alt="LaTeX: \displaystyle \frac{38.48-78.51}{1998-1967}= -1.29 " data-equation-content=" \displaystyle \frac{38.48-78.51}{1998-1967}= -1.29 " /> dollars per year.</p> </p>