Mathematics 1 Deneme Sınavı Sorusu #1208522

A company produces a certain item whose demand function is p=-5x+500, and supply functionis p=2x-200. For what values of x is there a market shortage?


x>25

x>120

x<120

x>100

x<100


Yanıt Açıklaması:

We first find the equilibrium point by equating the supply and demand functions. Therefore, the equality 

-5x+500=2x-200

gives

7x=700,   x=100

Since there will be a shortage in the market, to the left o this point the correct answer x<100. The answer is E.

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