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(文科)曲線6ec8aac122bd4f6e在點(diǎn)(1,6)處的切線方程為                (    )

試題詳情

4.(理科)已知函數(shù)6ec8aac122bd4f6e 在點(diǎn)6ec8aac122bd4f6e處連續(xù),則6ec8aac122bd4f6e的值是 (    )

A.2                           B.3                            C.-2                          D.-4

試題詳情

C.沿x軸向右平移6ec8aac122bd4f6e個(gè)單位                      D.沿x軸向左平移6ec8aac122bd4f6e個(gè)單位

試題詳情

A.  沿x軸向左平移6ec8aac122bd4f6e個(gè)單位                    B.沿x軸向右平移6ec8aac122bd4f6e個(gè)單位

試題詳情

3.我們知道,函數(shù)6ec8aac122bd4f6e的圖象經(jīng)過適當(dāng)變換可以得到6ec8aac122bd4f6e的圖象,則這種變換可以是                                                              (    )                                                         

試題詳情

           A.6ec8aac122bd4f6e                   B.6ec8aac122bd4f6e                   C.6ec8aac122bd4f6e               D.6ec8aac122bd4f6e

(文科)已知向量a= (-3 ,2 ) , b=(x, -4) , 若a//b,則x=                      (    )

A  .6              B .5             C .4          D.7

試題詳情

2.(理科)復(fù)數(shù)6ec8aac122bd4f6e等于                                                                               (    )

試題詳情

       A.(-1,1)            B.(0,a)              C.(0,1)                   D.6ec8aac122bd4f6e

試題詳情

1.已知6ec8aac122bd4f6e為        (    )

試題詳情

(3)1:3  ; 80.2Kj

 

 

 

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