1
[
鍩虹淇濆垎缁?/p>
]
1.
鑻ュ嚱鏁?/p>
y
锛?/p>
x
2
锛?/p>
(2
a
锛?/p>
1)
x
锛?/p>
1
鍦ㄥ尯闂?/p>
(
锛嶁垶锛?/p>
2]
涓婃槸鍑忓嚱鏁帮紝鍒欏疄鏁?/p>
a
鐨勫彇鍊艰寖鍥存槸
(
)
A.
飪?/p>
飪?/p>
飪?/p>
飪?/p>
锛?/p>
3
2
锛岋紜鈭?/p>
B.
飪?/p>
飪?/p>
飪?/p>
飪?/p>
锛嶁垶锛岋紞
3
2
C.
飪?/p>
飪?/p>
飪?/p>
飪?/p>
3
2
锛岋紜鈭?/p>
D.
飪?
飪?/p>
飪?/p>
飪?/p>
锛嶁垶锛?/p>
3
2
2.
宸茬煡骞傚嚱鏁?/p>
y
锛?/p>
f
(
x
)
鐨勫浘璞￠�氳繃鐐?/p>
(2,2
2)
锛屽垯璇ュ嚱鏁扮殑瑙ｆ瀽寮忎负
(
)
A.
y
锛?/p>
1
2
2
x
B.
y
锛?/p>
1
2
x
C.
y
锛?/p>
3
2
x
D.
y
锛?/p>
5
2
1
2
x
3.
鑻ュ箓鍑芥暟鐨勫浘璞¤繃鐐?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
锛?/p>
1
4
锛屽垯瀹冪殑鍗曡皟閫掑鍖洪棿鏄?/p>
(
)
A.(0
锛岋紜鈭?/p>
)
B.[0
锛岋紜鈭?/p>
)
C.(
锛嶁垶锛岋紜鈭?/p>
)
D.(
锛嶁垶锛?/p>
0)
4.(2019
路娴欐睙鐪佹俯宸炲競鏈熸湯
)
鑻ュ浠绘剰鐨?/p>
x
鈭?/p>
[1
锛岋紜鈭?/p>
)
锛屼笉绛夊紡
2
x
2
锛?/p>
|
x
2
锛?/p>
ax
锛?/p>
2|>1
鎭掓垚绔嬶紝鍒欏疄鏁?/p>
a
鐨勫彇鍊艰寖鍥存槸
(
)
A.(
锛?/p>
2
3
锛?/p>
2
3)
B.(0,2)
C.(2,2
3)
D.(2,4)
5.
骞傚嚱鏁?/p>
f
(
x
)
锛?/p>
2
2
4
3
(
)
8
16
飥?/p>
飥?/p>
飥?/p>
飥?/p>
m
m
m
m
x
鍦?/p>
(0
锛岋紜鈭?/p>
)
涓婂崟璋冮�掑锛屽垯
m
鐨勫�间负
(
)
A.2B.3C.5D.3
鎴?/p>
5
6.(2019
路娴欐睙鐪佸彴宸炰腑瀛︽湡涓?/p>
)
鑻ュ嚱鏁?/p>
f
(
x
)
锛?/p>
x
2
锛?/p>
a
|
x
|
鍦ㄥ尯闂?/p>
[3,4]
鍜?/p>
[
锛?/p>
2
锛岋紞
1]
涓婂潎涓哄鍑芥暟锛屽垯瀹炴暟
a
鐨勫彇鍊艰寖鍥存槸
(
)
A.[4,6]
B.[
锛?/p>
6
锛岋紞
4]
C.[2,3]
D.[
锛?/p>
3,2]
7.
宸茬煡鍑芥暟
y
锛?/p>
x
a
锛?/p>
y
锛?/p>
x
b
锛?/p>
y
锛?/p>
c
x
鐨勫浘璞″鍥炬墍绀猴紝鍒?/p>
a
锛?/p>
b
锛?/p>
c
鐨勫ぇ灏忓叧绯讳负
(
)
A.
c
<
b
<
a
B.
a
<
b
<
c
C.
c
<
a
<
b
D.
a
<
c
<
b