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Demand function of a good is given as Q(...

Demand function of a good is given as `Q_(d) = 100-10P`.
(i) Derive the demand schedule, Prices 2,4,6,8,10.
(ii) Calculate the slope of the curve.

Text Solution

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`{:((i),"Price"," "Q_(d)),(,2,100-(10xx2)=80),(,4,100-(10xx4)=60),(,6,100-(10xx6)=40),(,8,100-(10xx8)=20),(,10,100-(10xx10)=0):}`
(ii) Slope of dd curve `=(DeltaP)/(DeltaQ)=(2)/(-20)=(-)(1)/(10)`
Slope `(-)(1)/(10)` implies that every time price changes by 1 unit, Qty. dd changes by 10 units.
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