if the demand function is given by D=15-4x-x2, find elasticity of demand w.r.t price when x=8

Question

Adalyn · Answer

Step-by-step explanation:   2x + y = 600  y = 600 – 2x   3x – y = 400  y = 3x – 400   At equilibrium, Demand = Supply    600 – 2x = 3x – 400   600 + 400 = 3x + 2x   1,000 = 5x   x =    1000   5   x = 200   Put x = 200 in y = 3x – 400,   y = 3(200) – 400   y = 600 – 400   y = 200

Caroline

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