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已知变量x、y满足约束条件,则z=3x+2y的最大值为( ) A.-3 B. C...
已知变量x、y满足约束条件
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100741640885084/SYS201311031007416408850011_ST/0.png)
,则z=3x+2y的最大值为( )
A.-3
B.
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103100741640885084/SYS201311031007416408850011_ST/1.png)
C.-5
D.4
考点分析:
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