绮惧搧璇曞嵎
绮惧搧鎺ㄨ崘
绗簩绔?/p>
鎺ㄧ悊涓庤瘉鏄?/p>
绔犳湯妫�娴嬭瘯鍗?/p>
(
浜?/p>
)
(
鏃堕棿锛?/p>
120
鍒嗛挓
婊″垎锛?/p>
150
鍒?/p>
)
涓�銆侀�夋嫨棰?/p>
(
鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒?/p>
)
1
锛庢牴鎹伓鍑芥暟瀹氫箟鍙帹寰椻�滃嚱鏁?/p>
f
(
x
)
锛?/p>
x
2
鍦?/p>
R
涓婃槸鍋跺嚱鏁扳�濈殑鎺ㄧ悊杩囩▼
(
)
A
锛庡綊绾虫帹鐞?/p>
B
锛庣被姣旀帹鐞?/p>
C
锛庢紨缁庢帹鐞?/p>
D
锛庝互涓婄瓟妗堥兘涓嶅
鑰冪偣
婕旂粠鎺ㄧ悊鐨勫惈涔変笌鏂规硶
棰樼偣
婕旂粠
绛旀
C
瑙ｆ瀽
鏍规嵁婕旂粠鎺ㄧ悊鐨勫畾涔夌煡锛屾帹鐞嗚繃绋嬫槸婕旂粠鎺ㄧ悊锛?/p>
2
锛?/p>
涓嬮潰鏄竴娈碘�滀笁娈佃鈥濇帹鐞嗚繃绋嬶細
鑻ュ嚱鏁?/p>
f
(
x
)
鍦?/p>
(
a
锛?/p>
b
)
鍐呭彲瀵间笖鍗曡皟閫掑锛?/p>
鍒欏湪
(
a
锛?/p>
b
)
鍐咃紝
f
鈥?
x
)>0
鎭掓垚绔嬶紟
鍥?
涓?/p>
f
(
x
)
锛?/p>
x
3
鍦?/p>
(
锛?/p>
1,1)
鍐呭彲瀵间笖鍗曡皟閫掑锛屾墍浠ュ湪
(
锛?/p>
1,1)
鍐咃紝
f
鈥?
x
)
锛?/p>
3
x
2
>0
鎭掓垚绔嬶紟浠ヤ笂鎺ㄧ悊涓?/p>
(
)
A
锛庡ぇ鍓嶆彁閿欒
B
锛庡皬鍓嶆彁閿欒
C
锛庣粨璁烘纭?/p>
D
锛庢帹鐞嗗舰寮忛敊璇?/p>
鑰冪偣
鈥滀笁娈佃鈥濆強鍏跺簲鐢?/p>
棰樼偣
澶у墠鎻愰敊璇鑷寸粨璁洪敊璇?/p>
绛旀
A
瑙ｆ瀽
f
(
x
)
鍦?/p>
(
a
锛?/p>
b
)
鍐呭彲瀵间笖鍗曡皟閫掑锛屽垯鍦?/p>
(
a
锛?/p>
b
)
鍐咃紝
f
鈥?
x
)鈮?
鎭掓垚绔嬶紝鏁呭ぇ鍓嶆彁閿欒锛屾晠閫?/p>
A.
3
锛庤
a
锛?/p>
b
锛?/p>
c
閮芥槸闈為浂瀹炴暟锛屽垯鍏充簬
a
锛?/p>
bc
锛?/p>
ac
锛岋紞
b
鍥涗釜鏁版湁浠ヤ笅璇存硶锛?/p>
鈶犲洓涓暟鍙兘閮芥槸姝ｆ暟锛?/p>
鈶″洓涓暟鍙兘閮芥槸璐熸暟锛?/p>
鈶㈠洓涓暟涓棦鏈夋鏁板張鏈夎礋鏁帮紟
浠ヤ笂璇存硶涓纭殑涓暟涓?/p>
(
)
A
锛?/p>
0
B
锛?/p>
1
C
锛?/p>
2
D
锛?/p>
3
鑰冪偣
鍙嶈瘉娉曞強搴旂敤
棰樼偣
鍙嶈瘉娉曠殑搴旂敤
绛旀
B
瑙ｆ瀽
鍙敤鍙嶈瘉娉曟帹鍑衡憼鈶′笉姝ｇ‘锛屽洜姝も憿姝ｇ‘锛?/p>
4
锛庡湪绛夊樊鏁板垪
{
a
n
}
涓紝鑻?/p>
a
n
<0
锛屽叕宸?/p>
d
>0
锛屽垯鏈?/p>
a
4
路
a
6
>
a
3
路
a
7
锛岀被姣斾笂杩版�ц川锛屽湪绛夋瘮鏁板垪
{
b
n
}
涓紝鑻?/p>
b
n
>0
锛?/p>
q
>1
锛?/p>
鍒欎笅鍒楁湁鍏?/p>
b
4
锛?/p>
b
5
锛?/p>
b
7
锛?/p>
b
8
鐨勪笉绛夊叧绯绘纭殑鏄?/p>
(
)
A
锛?/p>
b
4
锛?/p>
b
8
>
b
5
锛?/p>
b
7
B
锛?/p>
b
5
锛?/p>
b
7
>
b
4
锛?/p>
b
8
C
锛?/p>
b
4
锛?/p>
b
7
>
b
5
锛?/p>
b
8
D
锛?/p>
b
4
锛?/p>
b
5
>
b
7
锛?/p>
b
8
鑰冪偣
绫绘瘮鎺ㄧ悊鐨勫簲鐢?/p>
棰樼偣
绛夊樊鏁板垪涓庣瓑姣旀暟鍒椾箣闂寸殑绫绘瘮
绛旀
A
5
锛?/p>
宸茬煡
2
2
锛?/p>
4
锛?/p>
6
6
锛?/p>
4
锛?/p>
2
锛?/p>
5
5
锛?/p>
4
锛?/p>
3
3
锛?/p>
4
锛?/p>
2
锛?/p>
7
7
锛?/p>
4
锛?/p>
1
1
锛?/p>
4
锛?/p>
2
锛?/p>
10
10
锛?/p>
4
锛?/p>
锛?/p>
2
锛?/p>
2
锛?/p>
4
锛?/p>
2
锛?/p>
鈥︼紝
渚濈収浠ヤ笂鍚勫紡鐨勮寰嬪彲寰?/p>
(
)
A.
n
n
锛?/p>
4
锛?/p>
8
锛?/p>
n
飥?/p>
8
锛?/p>
n
飥?/p>
锛?/p>
4
锛?/p>
2