1.2.3簡(jiǎn)單復(fù)合函數(shù)的導(dǎo)數(shù)[教學(xué)目標(biāo)] 查看更多

 

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函數(shù)和差積商的導(dǎo)數(shù)及復(fù)合函數(shù)的導(dǎo)數(shù)?

       (1)(u±v)′=     ;?

       (2)(uv)′=     ;?

       (3)()′=     ;?

       (4)設(shè)函數(shù)u=φ(x)在點(diǎn)x處有導(dǎo)數(shù)ux′=φ′(x),函數(shù)y=在點(diǎn)x的對(duì)應(yīng)點(diǎn)u處有導(dǎo)數(shù)yu′=,則復(fù)合函數(shù)y=f[φ(x)]在點(diǎn)x處有導(dǎo)數(shù)且yx′=     .

      

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設(shè)f(x)是可導(dǎo)函數(shù),求下列復(fù)合函數(shù)的導(dǎo)數(shù):

(1)y=f(lnx);

(2)y=lnf(x)  (f(x)>0).

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在下列結(jié)論中,正確的有
(1)單調(diào)增函數(shù)的導(dǎo)數(shù)也是單調(diào)增函數(shù);
(2)單調(diào)減函數(shù)的導(dǎo)數(shù)也是單調(diào)減函數(shù);
(3)單調(diào)函數(shù)的導(dǎo)數(shù)也是單調(diào)函數(shù);
(4)導(dǎo)函數(shù)是單調(diào)的,則原函數(shù)也是單調(diào)的

[     ]

A.0個(gè)
B.2個(gè)
C.3個(gè)
D.4個(gè)

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函數(shù)y=(xsinx+2)3x=π處的導(dǎo)數(shù)為

A.-12π                       B.12                      C.-12                  D.12π

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 在如圖所示的知識(shí)結(jié)構(gòu)圖中:

“求簡(jiǎn)單函數(shù)的導(dǎo)數(shù)”的“上位”要素有(    )

A.1個(gè)           B.2個(gè)

C.3個(gè)           D.4個(gè)

 

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