Question

For the function f(x,y)=x^3+y^3-3xy-ln(r)-e^c+t You find that at the point (2,4) the value of the function...

For the function

f(x,y)=x^3+y^3-3xy-ln(r)-e^c+t

You find that at the point (2,4) the value of the function is 50

f(2,4)=50

Suppose you were to estimate the values of the following points:

A = （1.997，4.003）

B = （2.004，3.996）

C = （2.000，3.997）

D = （1.996，4.000）

At which point(s),would you expect (without calculation) the value of the function be larger than f (2,4) = 50? Also provide a quick (one line) explanation of why you would expect the value to be larger than 50.

Math   Calculus   
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