ECON6003/ECON6703 Mathematical Methods of Econ Analysis Assignment 2

Let  𝑓 ( 𝑥 , 𝑦 ) = 20 − 𝑥 2 − 7 𝑦 2 . Use the linear Taylor approximation of  𝑓 ( 𝑥 , 𝑦 ) about  ( 2 , 1 ) to estimate the value of  𝑓 ( 𝑥 , 𝑦 ) 𝑎 𝑡 ( 1.5 , 2 ) . What is the estimated v...