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【简答题】
已知 a =（ 3 ，cosx）， b =（cos 2 x，sinx），函数f（x）= a ? b - 3 2 ． （Ⅰ）求函数f（x）的单调递增区间； （Ⅱ）若 x∈[0， π 4 ] ，求函数f（x）的取值范围； （Ⅲ）函数f（x）的图象经过怎样的平移可使其对应的函数成为奇函数？
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反馈参考答案：
举一反三
【简答题】企业购入需要安装的设备一台，应借记（ ）科目，贷记“银行存款”。
【单选题】Who will be most interested in this article?
A.
economists
B.
retailers
C.
marketing managers
【单选题】According to most marketing managers, the economic-buyer theory( ).
A.
says that most consumers are unaware of the economic value of products they purchase.
B.
accurately explains why people behave the way they do.
C.
is too simplistic to explain consumer behavior.
D.
includes psychological variables and social influences.
E.
is based on the assumption that consumers always buy the lowest price alternative.
【简答题】具有燥湿健脾功效的药物是（）。|具有燥湿行气功效的药物是（）。A. 苍术B. 厚朴C. 白豆蔻D. 木瓜E. 藿香
【单选题】Sometimes marketing managers use a positioning statement to provide focus for a marketing mix. Which of the following is not included in a positioning statement?
A.
A list of competitors' strengths
B.
The firm's desired target market
C.
The main reasons a buyer should believe the firm's claims
D.
The product's primary benefit or point of differentiation
E.
The product type
【单选题】Which of the following marketing strategies should marketing managers focus on to manage detailed information about individual customers and carefully manage customer touchpoints to maximize customer ...
A.
customer divestment
B.
customer-managed relationships
C.
the societal marketing concept
D.
partner relationship management
E.
customer relationship management
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