The demand for coffee is given by the following equation, where QD�� stands for the quantity demanded and P stands for price. QD=100−4PQD⁢= 100⁢- 4P The supply of coffee is given by the following equation, where QS�� stands for the quantity supplied and P stands for price. QS=-10+2PQS⁢= -10⁢+ 2P For parts a-d, consider a graph of the demand and supply curves with price on the vertical axis and quantity on the horizontal axis. What is the slope of demand? Slope =  At what price is quantity demanded equal to zero (this is, graphically, the vertical intercept of Demand)? P =  What is the slope of supply? Slope =  At what price is quantity supplied equal to zero (this is, graphically, the vertical intercept of Supply)? P =

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
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Chapter1: Making Economics Decisions
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The demand for coffee is given by the following equation, where QD�� stands for the quantity demanded and P stands for price.

QD=100−4PQD⁢= 100⁢- 4P

The supply of coffee is given by the following equation, where QS�� stands for the quantity supplied and P stands for price.

QS=-10+2PQS⁢= -10⁢+ 2P

For parts a-d, consider a graph of the demand and supply curves with price on the vertical axis and quantity on the horizontal axis.

  1. What is the slope of demand?

    Slope = 

  2. At what price is quantity demanded equal to zero (this is, graphically, the vertical intercept of Demand)?

    P = 

  3. What is the slope of supply?

    Slope = 

  4. At what price is quantity supplied equal to zero (this is, graphically, the vertical intercept of Supply)?

    P = 

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