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Mathematical modeling of satisfaction
(2) At the same time, Party A and Party B obtain the greatest comprehensive satisfaction.

(3) There is no 0 value that meets the conditions.

This small question mainly examines the basic knowledge such as the concept of function and basic inequality, and examines the ability of mathematical modeling, abstract generalization and mathematical reading. 16.

( 1)

When,,

, 1 =2

(2) When 7,

By,

So when the time comes,

At the same time, Party A and Party B get the greatest comprehensive satisfaction.

(3) (Method 1) From (2), we can see that: =

Author:,

Order, namely:.

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