Question

In: Economics

Suppose that the relationship between price, P, and quantity, Q, is given by the equation Q...


Suppose that the relationship between price, P, and quantity, Q, is given by the equation Q = 60 - 4P. 

Which of the following equations correctly represents solving Q = 60 - 4P for P? 

  • P=15-1/4 Q

  • P-60-Q

  • P=60-4Q

  • P=60+Q

  • P=15-4Q


Plot the relationship between Pand Q on the following graph. 

Note: Price (P) is on the vertical axis and quantity (Q) s on the horizontal axis. 

image.png

The slope of this line is _______ .

Suppose that the Pin this equation refers to the price of a magazine subscription, and the Qrefers to the number of magazine subscriptions sold. Read the following statement carefully: "When the price of a magazine subsorption goes up, fewer people subsoribe to the magazine." 

Which of the following best summarizes the pattern of causality suggested by this statement? 

  • A change in Q causes a charge in P. 

  • The relationship between P and Q is not a causal relationship.

  • A change in P causes a change in Q 

Solutions

Expert Solution

P- 15-40 in torret ophon Becaus e Q = 60- yf S 4P = 60 -Q 60-Q P= 15 negabive Price cot-sia) Demand cusve ( down asand slofi


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