If the demand function is D=40-4p-p^2 and dD/dp= -4-2p, find the elasticity of demand with respect to price at p=2.
O 2/3
4/7
4/7
-2/3
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Step-by-step explanation:
dD/dp = -4-2p
Put the value of p=2 in differential equation
so ,
dD/dp = -4-2(2)
= -4-4
= -8 is answer
similar for value of P= 2/3
dD/dp = -4-2×2/3
= -4-4/3
= -12-4 /3
= -16/ 3 is answer
like this similar doo all just go on changing and substitute value of P in standard equation
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