1
鍑芥暟鐨勬蹇靛拰鎬ц川
2019
骞?/p>
1.
锛?/p>
2019
姹熻嫃
4
锛夊嚱鏁?
2
7
6
y
x
x
飥?/p>
飥?/p>
飥?/p>
鐨勫畾涔夊煙鏄?/p>
.
2.
锛?/p>
2019
鍏ㄥ浗鈪＄悊
14
锛夊凡鐭?/p>
(
)
f
x
鏄鍑芥暟锛屼笖褰?/p>
0
x
飥?/p>
鏃讹紝
(
)
e
ax
f
x
飥?/p>
飥?/p>
鑻?/p>
(ln
2)
8
f
飥?/p>
锛屽垯
a
飥?/p>
__________.
3.
锛?/p>
2019
鍏ㄥ浗鈪㈢悊
11
锛夎
飥?/p>
飥?/p>
f
x
鏄畾涔夊煙涓?/p>
R
鐨勫伓鍑芥暟锛屼笖鍦?
飥?/p>
飥?
0,
飥偉
鍗曡皟閫掑噺锛屽垯
A
锛?
f
锛?/p>
log
3
1
4
锛夛紴
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锛?
3
2
2
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锛?
2
3
2
飥?
锛?/p>
B
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f
锛?/p>
log
3
1
4
锛夛紴
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2
3
2
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3
2
2
飥?
锛?/p>
C
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f
锛?
3
2
2
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2
3
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3
1
4
锛?/p>
D
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f
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2
3
2
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3
2
2
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锛夛紴
f
锛?/p>
log
3
1
4
锛?/p>
4.
锛?/p>
2019
鍖椾含鐞?/p>
13
锛夎鍑芥暟
(
)
e
x
x
f
x
e
a
飥?/p>
飥?/p>
飥?/p>
(
a
涓哄父鏁?/p>
)
锛岃嫢
(
)
f
x
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,
鍒?/p>
a
=______
锛?/p>
鑻?/p>
(
)
f
x
鏄?/p>
R
涓婄殑澧炲嚱
鏁帮紝鍒?/p>
a
鐨勫彇鍊艰寖鍥存槸
________.
5.
锛?/p>
2019
鍏ㄥ浗鈪犵悊
11
锛夊叧浜庡嚱鏁?
(
)
sin
|
|
|
sin
|
f
x
x
x
飥?/p>
飥?/p>
鏈変笅杩板洓涓粨璁猴細
鈶?/p>
f
(
x
)
鏄伓鍑芥暟
鈶?/p>
f
(
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)
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2
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,
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鈶?/p>
f
(
x
)
鍦?/p>
[
,
]
飥伆
飦?/p>
鏈?/p>
4
涓浂鐐?/p>
鈶?/p>
f
(
x
)
鐨勬渶澶у�间负
2
鍏朵腑鎵�鏈夋纭粨璁虹殑缂栧彿鏄?/p>
A
锛庘憼鈶♀懀
B
锛庘憽鈶?/p>
C
锛庘憼鈶?/p>
D
锛庘憼鈶?/p>
6.
锛?/p>
2019
鍏ㄥ浗鈪?/p>
鐞?/p>
5
锛?/p>
鍑芥暟
f
(
x
)=
鍦?/p>
[
,
]
飥伆
飦?/p>
鐨勫浘鍍忓ぇ鑷翠负
A
锛?/p>
B
锛?
C
锛?/p>
D
锛?/p>
7.
锛?/p>
2019
鍏ㄥ浗鈪㈢悊
7
锛夊嚱鏁?/p>
3
2
2
2
x
x
x
y
飥?/p>
飥?
飥?/p>
鍦?
飦?/p>
飦?/p>
6,6
飥?/p>
鐨勫浘鍍忓ぇ鑷翠负
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
2
sin
cos
飥?/p>
飥?/p>
x
x
x
x