OEF µ¼Êý --- ½éÉÜ ---

±¾Ä£¿éÄ¿Ç°°üº¬ 33 ¸ö¹ØÓÚµ¥±äÁ¿º¯Êýµ¼ÊýµÄÁ·Ï°.

Ô²

ÓÐÒ»Ô², Æä°ë¾¶ÒÔÿÃë ÀåÃ׵Ķ¨ËÙ¶ÈÔö¼Ó. µ±°ë¾¶µÈÓÚ ÀåÃ×ʱ, ËüµÄÃæ»ýÔö¼ÓµÄËÙ¶ÈÈçºÎ (ÒÔ cm2/s Ϊµ¥Î»)?

Ô² II

ÓÐÒ»Ô², Æä°ë¾¶ÒÔÿÃë ÀåÃ׵Ķ¨ËÙ¶ÈÔö¼Ó. µ±Ãæ»ýµÈÓÚ Æ½·½ÀåÃ×ʱ, ËüµÄÃæ»ýÔö¼ÓµÄËÙ¶ÈÈçºÎ (ÒÔ cm2/s Ϊµ¥Î»)?

Ô² III

ÓÐÒ»Ô², ÆäÃæ»ýÒÔÿÃë ƽ·½ÀåÃ׵Ķ¨ËÙ¶ÈÔö¼Ó. µ±Ãæ»ýµÈÓÚ Æ½·½ÀåÃ×ʱ, ËüµÄ°ë¾¶Ôö¼ÓµÄËÙ¶ÈÈçºÎ (ÒÔ cm/s Ϊµ¥Î»)?

Ô² IV

ÓÐÒ»Ô², ÆäÃæ»ýÒÔÿÃë ƽ·½ÀåÃ׵Ķ¨ËÙ¶ÈÔö¼Ó. µ±°ë¾¶µÈÓÚ ÀåÃ×ʱ, ËüµÄ°ë¾¶Ôö¼ÓµÄËÙ¶ÈÈçºÎ (ÒÔ cm/s Ϊµ¥Î»)?

¸´ºÏ I

ÓÐÁ½¸ö¿É΢º¯Êý f(x) Óë g(x), Æäµ¼ÊýÖµÈçϱíËùʾ.

x-3-2-10123
f(x)
f '(x)
g(x)
g'(x)

Éè h(x) = f(g(x)). ¼ÆËãµ¼Êý h'().


¸´ºÏ II *

ÓÐ 3 ¸ö¿É΢º¯Êý f(x), g(x) Óë h(x), Æäµ¼ÊýÖµÈçϱíËùʾ.

x-3-2-10123
f(x)
f '(x)
g(x)
g'(x)
h(x)
h'(x)

Éè s(x) = f(g(h(x))). ¼ÆËãµ¼Êý s'().


»ìºÏ¸´ºÏ

ÓÐÒ»¸ö¿É΢º¯Êý f(x), Æ亯ÊýÖµºÍµ¼ÊýÖµÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)

Éè g(x) = , ÇÒÉè h(x) = g(f(x)). ¼ÆËãµ¼Êý h'().


Á´Ìõ¼þ Ia

Éè ÊÇ¿É΢º¯Êý, µ¼º¯ÊýÊÇ . ¼ÆË㠵ĵ¼º¯Êý.

Á´Ìõ¼þ Ib

Éè ÊÇ¿É΢º¯Êý, µ¼º¯ÊýÊÇ . ¼ÆË㠵ĵ¼º¯Êý.

³ý·¨ I

ÓпÉ΢º¯Êý f(x) Óë g(x), ÆäÖµÓëµ¼ÊýÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)
g(x)
g'(x)

Éè h(x) = f(x)/g(x). ¼ÆËãµ¼Êý h'().


»ìºÏ³ý·¨

ÓпÉ΢º¯Êý f(x), ÆäÖµÓëµ¼ÊýÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)

Éè h(x) = / f(x). ¼ÆËãµ¼Êý h'().


Ë«Çúº¯Êý I

¼ÆËãÒÔϺ¯ÊýµÄµ¼Êý f(x) = .

Ë«Çúº¯Êý II


³Ë·¨ I

ÓÐÁ½¸ö¿É΢º¯Êý f(x) Óë g(x), ÆäÖµºÍµ¼ÊýÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)
g(x)
g'(x)

Éè h(x) = f(x)g(x). ¼ÆËãµ¼Êý h'().


³Ë·¨ II

ÓÐÁ½¸ö¿É΢º¯Êý f(x) Óë g(x), ÆäÖµºÍµ¼ÊýÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)
f ''(x)
g(x)
g'(x)
g''(x)

Éè h(x) = f(x)g(x). ¼ÆËã¶þ½×µ¼Êý h''().


»ìºÏ³Ë·¨

ÓпÉ΢º¯Êý f(x), ÆäÖµºÍµ¼ÊýÈçϱíËùʾ.

x-2-1012
f(x)
f '(x)

Éè h(x) = f(x). ¼ÆËãµ¼Êý h'().


¹ãÒå³Ë·¨ I

Éè Êǵ¼º¯ÊýΪ µÄ¿É΢º¯Êý. ¼ÆË㠵ĵ¼º¯Êý.

¶àÏîʽ I

¼ÆËãÒÔϺ¯ÊýµÄµ¼Êý f(x) = , ¶Ô x=.

¶àÏîʽ II

¼ÆËãÒÔϺ¯ÊýµÄµ¼Êý .

ÓÐÀíº¯Êý I


ÓÐÀíº¯Êý II


Ä溯ÊýµÄµ¼Êý

Éè : -> ÊÇÓÉÏÂʽ¶¨ÒåµÄº¯Êý

(x) = .

ÑéÖ¤ ÊÇË«Éä, ËùÒÔÓÐÄ溯Êý (x) = -1(x). ¼ÆËãµ¼ÊýµÄÖµ  '() .

ÄãµÄ»Ø´ðÖÁÉÙÓ¦ÓÐ 4 λÓÐЧÊý×Ö.


³¤·½ÐÎ I

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

³¤·½ÐÎ II

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

³¤·½ÐÎ III

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

³¤·½ÐÎ IV

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

³¤·½ÐÎ V

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

³¤·½ÐÎ VI

ÓÐÒ»¸ö³¤·½ÐÎ, ËüµÄÒÔÿÃë ÀåÃ׵Ķ¨ËÙ, µ«ÊÇËüµÄ±£³Ö²»±ä, Ϊ . µ±µÈÓÚ Ê±, ±ä»¯µÄËÙ¶È (ÒÔ Îªµ¥Î») ÊǶàÉÙ?

Ö±½ÇÈý½ÇÐÎ

ÓÐÒ»¸öÖ±½ÇÈý½ÇÐÎ, ÆäÖÐ AB= , ÇÒ AC ÒÔ /s µÄ¶¨ËÙ¶È. µ± AC= ʱ, ÎÊ BC ±ä»¯µÄËÙ¶ÈÊÇʲô (ÒÔ /s Ϊµ¥Î»)?


Ëþ

ÓÐÈËÒÔÿÃë Ã׵Ķ¨ËÙ¶ÈÏòÒ»×ùËþÇ°½ø. Èç¹ûËþµÄ¸ß¶ÈÊÇ Ã×, µ±Õâ¸öÈËÓëËþµÄµ×²¿Ïà¾à Ã×ʱ, ´ËÈËÓëËþ¶¥¾àÀë¼õÉÙµÄËÙ¶ÈÊÇʲô (ÒÔ m/s Ϊµ¥Î»)?

Èý½Çº¯Êý I

¼ÆËãÒÔϺ¯ÊýµÄµ¼Êý f(x) = .

Èý½Çº¯Êý II


Èý½Çº¯Êý III

¼ÆËãÒÔϺ¯ÊýÔÚµã x= µÄµ¼Êý f(x) = .
±ðµÄÀàËÆÁ·Ï°:
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