设t≠0,点P(t,0)是函数f(x)=x3+ax与g(x)=bx2+c的图象的

题型:解答题

问题:

设t≠0,点P(t,0)是函数f(x)=x3+ax与g(x)=bx2+c的图象的一个公共点,两函数的图象在点P处有相同的切线.

(Ⅰ)用t表示a,b,c;

(Ⅱ)若函数y=f(x)-g(x)在(-1,3)上单调递减,求t的取值范围.

考点:函数的单调性与导数的关系函数的极值与导数的关系
题型:解答题

个人汽车贷款信用风险主要表现为()。

A.借款人恶意逃债

B.个人征信系统不完善

C.借款人信用欺诈

D.借款人还款能力降低和还款意愿变化

题型:解答题

辅助检查时,医生应遵循的道德要求不包括()

A.综合分析,切忌片面

B.知情同意,尽职尽责

C.服从病人,认真负责

D.需要出发,目的纯正

E.密切联系,加强协作

题型:解答题

公元前6世纪初,雅典城郊有个叫克里埃尼图斯的青年,他出身平民,家庭贫困,不具备担任官职的资格。当时,他若想获取官职,下列哪条途径可行()

A.参军,争取立下军功

B.经商致富

C.收买人心,多拉选票

D.接受教育,提高自身文化素质

题型:解答题

为了防止排水管道的混凝土基础发生变形,监理人员应控制管道基础混凝土浇筑后()小时不得浸水。

A.8

B.12

C.24

题型:解答题

请根据所提供的单据,判断“出境货物报检单”各项内容的正误。

 

SAlES CONTRACT

NO.: SAQJ570162

DATE: DEC.10, 2009

The Buyer: BLUE EAGLE Import & Export Corp.LongBeachU.S.

The Seller: TIANJIN HAPPY-HOLIDAY CORPORATION

This contract is made by and between the Buyer and the Seller, whereby the Buyer agrees to buy and the Seller agrees to sell the under-mentioned commodity according to the terms and conditions stipulated below:

(1)Name of Commodity: WOODEN CHAIRS (HAPPY-HOLIDAY)

(2)Quantity: 1800PCS/3600KGS, 900CTNS

(3)Unit price: USD 4/PC

(4)Amount Total: USD7 200

(5)Packing: In Cartons

(6)Port of Loading: XINGANG, TIANJIN, CHINA

(7)Port of Destination: LongBeach U.S.

(8)Date of Shipment: DEC.2009/By Vessel

(9)Term of Payment: UC

(10)Shipping Mark: N/M

(11)Documents Required: phytosanitary certificate issued by CIQ indicating the

NO.of L/C

The Buyer The Seller

______ ______

 

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