(12分)某公司计划2010年在甲、乙两个电视台做总时间不超过300分钟的

(12分)某公司计划2010年在甲、乙两个电视台做总时间不超过300分钟的广告,广告总费用不超过9万元。甲、乙电视台的广告收费标准分别为500元/分钟和200元/分钟,假定甲、乙两个电视台为该公司所做的每分钟广告,能给公司带来的收益分别为0.3万元和0.2万元,问该公司如何分配在甲、乙两个电视台的广告时间,才能使公司的收益最大?最大收益是多少万元?

答案

解:设公司

做直线

y

 
L:3000x+2000y=0,即3x+2y=0,平移直线L,可知当L过M点时,目标函数Z取得最大值.

联立  解得

答:该广告公司在甲乙电视台做广告的时间分别为100分钟和200分钟时,

公司收益最大,最大收益是70万元. ……………………………12分

相关题目

Hummingbirds have got their name from the distinct “hum” sound made by their
Hummingbirds have got their name from the distinct “hum” sound made by their rapidly flapping (拍打) wings. The size of the bird decides the number of flaps it can do. The average lifetime of a
Compared with his sister, Jerry is even more________to emotional and relationsh
Compared with his sister, Jerry is even more________to emotional and relationship problems. A.skeptical B.addicted       C.available     D.sensitive
2009年,是中国文化大发展的标志年。这一年,在世界金融风
2009年,是中国文化大发展的标志年。这一年,在世界金融风暴的背景下,中国文化产业异军突起,逆市上扬,不仅为全年经济“保八”顺利实现贡献了
随着工业化、城镇化的快速推进,与之相关的人口、资源、
随着工业化、城镇化的快速推进,与之相关的人口、资源、环境、生态等一系列社会问题接踵而至,人类居住环境承载力受到前所未有的考验。由此在
Sorry,you speak ______ quickly ______ I can’t follow you. A.too.to  
Sorry,you speak ______ quickly ______ I can’t follow you. A.too.to           B.so,that            C.as,to            D.very,that
 Jane misses her brother very much and she is looking forward ____ him.   
 Jane misses her brother very much and she is looking forward ____ him.             A. to hear from         B. hearing from           C. to hearing from       
You’d better ______ some hot water into the bottle in case the teacools down.
You’d better ______ some hot water into the bottle in case the teacools down. A. add         B. fill         C. fill in        D. put
Many people think that Americans   1   their cars almost more than anything
Many people think that Americans   1   their cars almost more than anything else. When   2__ people are fourteen years old, they want to have their __3_  cars. They don’t ask for a car fro

最新题目