灏忓
+
鍒濅腑
+
楂樹腑
灏忓
+
鍒濅腑
+
楂樹腑
绗?/p>
2
璇炬椂
鎸囨暟鍑芥暟鍙婂叾鎬ц川鐨勫簲鐢?/p>
A
绾?/p>
鍩虹宸╁浐
涓�銆侀�夋嫨棰?/p>
1
锛庤嫢
a
锛?/p>
2
0.7
锛?/p>
b
锛?/p>
2
0.5
锛?/p>
c
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
2
锛?/p>
1
锛屽垯
a
锛?/p>
b
锛?/p>
c
鐨勫ぇ灏忓叧绯绘槸
(
)
A
锛?/p>
c
>
a
>
b
B
锛?/p>
c
>
b
>
a
C
锛?/p>
a
>
b
>
c
D
锛?/p>
b
>
a
>
c
瑙ｆ瀽锛?/p>
鐢?/p>
y
锛?/p>
2
x
鍦?/p>
R
涓婃槸澧炲嚱鏁帮紝鐭?/p>
1<
b
<
a
<2
锛?/p>
c
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
2
锛?/p>
1
锛?/p>
2
锛屾晠
c
>
a
>
b
.
绛旀锛?/p>
A
2
锛庡凡鐭ュ嚱鏁?/p>
f
(
x
)
锛?/p>
a
x
(0<
a
<1)
锛屽浜庝笅鍒楀懡棰橈細鈶犺嫢
x
>0
锛屽垯
0<
f
(
x
)<1
锛涒憽鑻?/p>
x
<1
锛屽垯
f
(
x
)>
a
锛涒憿鑻?/p>
f
(
x
1
)>
f
(
x
2
)
锛屽垯
x
1
<
x
2
.
鍏朵腑姝ｇ‘鍛介鐨勪釜鏁颁负
(
)
A
锛?/p>
0
涓?/p>
B
锛?/p>
1
涓?/p>
C
锛?/p>
2
涓?/p>
D
锛?/p>
3
涓?/p>
瑙ｆ瀽锛?/p>
鏍规嵁鎸囨暟鍑芥暟鐨勬�ц川鐭モ憼鈶♀憿閮芥纭紟
绛旀锛?/p>
D
3
锛庤寰楀埌鍑芥暟
y
锛?/p>
2
3
锛?/p>
x
鐨勫浘璞★紝鍙渶灏嗗嚱鏁?/p>
y
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
2
x
鐨勫浘璞?/p>
(
)
A
锛庡悜鍙冲钩绉?/p>
3
涓崟浣?/p>
B
锛庡悜宸﹀钩绉?/p>
3
涓崟浣?/p>
C
锛庡悜鍙冲钩绉?/p>
8
涓崟浣?/p>
D
锛庡悜宸﹀钩绉?/p>
8
涓崟浣?/p>
瑙ｆ瀽锛?/p>
鍥犱负
y
锛?/p>
2
3
锛?/p>
x
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
2
x
锛?/p>
3
锛屾墍浠?/p>
y
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
2
x
鐨勫浘璞″悜鍙冲钩绉?/p>
3
涓崟浣嶅緱鍒?/p>
y
锛?/p>
2
3
锛?/p>
x
鐨勫浘
璞★紟
绛旀锛?/p>
A
4
锛庤鍑芥暟
f
(
x
)
锛?/p>
a
锛?/p>
|
x
|
(
a
>0
锛屼笖
a
鈮?)锛岃嫢
f
(2)
锛?/p>
4
锛屽垯
(
)
A
锛?/p>
f
(
锛?/p>
2)>
f
(
锛?/p>
1)
B
锛?/p>
f
(
锛?/p>
1)>
f
(
锛?/p>
2)
C
锛?/p>
f
(1)>
f
(2)
D
锛?/p>
f
(
锛?/p>
2)>
f
(2)
瑙ｆ瀽锛?/p>
f
(2)
锛?/p>
a
锛?/p>
2
锛?/p>
4
锛?/p>
a
锛?/p>
1
2
锛?/p>
f
(
x
)
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
1
2
锛?/p>
|
x
|
锛?/p>
2
|
x
|
锛屽垯
f
(
锛?/p>
2)>
f
(
锛?/p>
1)
锛?/p>
绛旀锛?/p>
A
5
锛庡凡鐭ュ疄鏁?/p>
a
锛?/p>
b
婊¤冻绛夊紡
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
1
2
a
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
1
3
b
锛屼笅鍒椾簲涓叧绯诲紡锛?/p>
鈶?锛?/p>
b
锛?/p>
a
锛涒憽
a
锛?/p>
b
锛?/p>
0
锛?/p>
鈶?
锛?/p>
a
锛?/p>
b
锛涒懀
b
锛?/p>
a
锛?/p>
0
锛涒懁
a
锛?/p>
b
.
鍏朵腑涓嶅彲鑳芥垚绔嬬殑鍏崇郴寮忔湁
(
)