璇炬椂璺熻釜妫娴嬶紙浜屽崄浜岋級
涓夎鍑芥暟鐨勫浘璞′笌鎬ц川
[A
绾?/p>
鍩虹棰樷斺斿熀绋虫墠鑳芥ゼ楂?/p>
]
1
锛?/p>
(2018路娌冲寳鏋e己涓浜屾ā
)
涓嬪垪鍥涗釜鍑芥暟涓紝
浠?/p>
蟺
涓烘渶灏忔鍛ㄦ湡锛?/p>
涓斿湪鍖洪棿
飪?/p>
飪?/p>
飪?/p>
飪?
飪?
飪?/p>
蟺
2
锛?/p>
蟺
涓婁负鍑忓嚱鏁扮殑鏄?/p>
(
)
A
锛?/p>
y
锛?/p>
sin 2
x
B
锛?/p>
y
锛?/p>
2|cos
x
|
C
锛?/p>
y
锛?/p>
cos
x
2
D
锛?/p>
y
锛?/p>
tan(
锛?/p>
x
)
瑙f瀽锛?/p>
閫?/p>
D
A
閫夐」锛?/p>
鍑芥暟鍦?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
蟺
2
锛?/p>
3
蟺
4
涓婂崟璋冮掑噺锛?/p>
鍦?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
3
蟺
4
锛?/p>
蟺
涓婂崟璋冮掑锛?/p>
鏁呮帓闄?/p>
A
锛?/p>
B
閫夐」锛?/p>
鍑芥暟鍦?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
蟺
2
锛?/p>
蟺
涓婂崟璋冮掑锛屾晠鎺掗櫎
B
锛?/p>
C
閫夐」锛屽嚱鏁扮殑鍛ㄦ湡鏄?/p>
4
蟺
锛屾晠鎺掗櫎
C.
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D.
2
锛庡叧浜庡嚱鏁?/p>
y
锛?/p>
tan
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
x
锛?/p>
蟺
3
锛屼笅鍒楄娉曟纭殑鏄?/p>
(
)
A
锛庢槸濂囧嚱鏁?/p>
B
锛庡湪鍖洪棿
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
3
涓婂崟璋冮掑噺
C.
飪?/p>
飪?
飪?/p>
飪?
飪?/p>
飪?/p>
蟺
6
锛?/p>
0
涓哄叾鍥捐薄鐨勪竴涓绉颁腑蹇?/p>
D
锛庢渶灏忔鍛ㄦ湡涓?/p>
蟺
瑙f瀽锛氶?/p>
C
鍑芥暟
y
锛?/p>
tan
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
x
锛?/p>
蟺
3
鏄潪濂囬潪鍋跺嚱鏁帮紝
A
閿欙紱鍑芥暟
y
锛?/p>
tan
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
x
锛?/p>
蟺
3
鍦ㄥ尯闂?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
3
涓婂崟璋冮掑锛?/p>
B
閿欙紱
鏈灏忔鍛ㄦ湡涓?/p>
蟺
2
锛?/p>
D
閿欙紱
鐢?/p>
2
x
锛?/p>
蟺
3
锛?/p>
k
蟺
2
锛?/p>
k
鈭?/p>
Z
锛?/p>
寰?/p>
x
锛?/p>
k
蟺
4
锛?/p>
蟺
6
锛?/p>
k
鈭?/p>
Z.
褰?/p>
k
锛?/p>
0
鏃讹紝
x
锛?/p>
蟺
6
锛?/p>
鎵浠ュ畠鐨勫浘璞″叧浜?/p>
飪?/p>
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飪?/p>
蟺
6
锛?/p>
0
瀵圭О锛?/p>
3
锛?2018路骞胯タ浜斿競鑱旇?/p>
)
鑻ュ嚱鏁?/p>
f
(
x
)
锛?/p>
2sin
蠅
x
(0<
蠅
<1)
鍦ㄥ尯闂?/p>
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
3
涓婄殑鏈澶у间负
1
锛屽垯
蠅
锛?/p>
(
)
A.
1
4
B.
1
3
C.
1
2
D.
3
2
瑙f瀽锛?/p>
閫?/p>
C
鍥犱负
0<
蠅
<1,0鈮?/p>
x
鈮?/p>
蟺
3
锛?/p>
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0鈮?/p>
蠅
x
<
蟺
3
锛?/p>
鎵浠?/p>
f
(
x
)
鍦ㄥ尯闂?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
3
涓婂崟璋冮掑锛?/p>
鍒?/p>
f
(
x
)
max
锛?/p>
f
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
蟺
3
锛?
2sin
蠅
蟺
3
锛?/p>
1
锛屽嵆
sin
蠅
蟺
3
锛?/p>
1
2
.
鍙?/p>
0鈮?/p>
蠅
x
<
蟺
3
锛屾墍浠?/p>
蠅
蟺
3
锛?/p>
蟺
6
锛岃В寰?/p>
蠅
锛?/p>
1
2
锛岄?/p>
C.
4
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瀹氫箟鍦?/p>
R
涓婄殑鍑芥暟
f
(
x
)
鏃㈡槸鍋跺嚱鏁板張鏄懆鏈熷嚱鏁帮紝鑻?/p>
f
(
x
)
鐨勬渶灏忔鍛ㄦ湡鏄?/p>
蟺
锛屼笖褰?
x
鈭?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
2
鏃讹紝
f
(
x
)
锛?/p>
sin
x
锛屽垯
f
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?
5
蟺
3
鐨勫间负
(
)