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The price of a particular stock is plotted against time in a graph. If the overall shape of the graph has a negative slope, would you invest your money in this stock? Explain why or why not.

User Dah Sra
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4 votes
no because it has a negative slope
User Jasir
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Answer: No, we will not invest money in this stock.


Step-by-step explanation: In the attached figure , the price p of the stock (Y-axis) is plotted against time t (X-axis). Let P(a,b) and Q(c,d) be any two points on the graph. Since the slope m is negative, so, we have


m< 0\\\Rightarrow m< (d-b)/(c-a)

Since
c> a, so, we must have


d-b< 0\\\Rightarrow d< b.

This implies that, as the time increases, the price of the stock decreases. Hence, it will be a loss investing money in this stock.

Thus, we will not invest money in the stock because there will be loss.


The price of a particular stock is plotted against time in a graph. If the overall-example-1
User Kgoutsos
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