Exercise 1.1.27

Question

Sketch a rough graph of the amount of a particular brand of coffee sold by a store as a function of the price of the coffee.

Khagan Gulusoy · Accepted Answer

The amount of a particular brand of coffee sold by a store and the price are inversely proportional. In other words, with the rise of the price the amount of sold coffee decreases and vice versa. We approximately sketch the graph of the function $a(p)$ as follows.
\begin{figure}[H] \centering
\begin{tikzpicture}[scale=0.90]
    \begin{axis}[axis lines=left,xmin=0,xmax=10,ymin=0,ymax=10,ticks=none,xlabel={$p$, price}, ylabel={$a$, amount}]
         \addplot[domain=0:300, samples=365*10, mark=none, color=red, ultra thick] {8/x};   
    \end{axis}
\end{tikzpicture}
\end{figure}

Exercise 1.1.27

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Exercise 1.1.27

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