Mathematics 1 Deneme Sınavı Sorusu #1279206

The demand function of A is q (p) = 492 – 0.03 p2 ; what is the price elasticity of demand when p = 20 ?


0.05

0.25

0.6

1.2

1.5


Yanıt Açıklaması:

Ep = |(p / q) (dq / dp)| = ; dq / dp = -0.06 p ; Ep = |(p / (492 – (0.03 p2))) (-0.06 p)| = 0.06 p2 / (492 – (0.03 p2)) ; p = 20 ; Ep = 0.06 x 400 / (492 – 0.03 x 400) = 24 / (492 – 12) = 24 / 480 = 0.05 . pg. 160. Correct answer is A.

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