璇炬椂浣滀笟
(
鍗佷竴
) 1.2.2.3
鍑芥暟鐨勮〃绀烘硶锛堢
3
璇炬椂锛?/p>
1.
宸茬煡
f(x)
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
x
2
锛?/p>
3
锛?/p>
x>0
锛夛紝
1
锛?/p>
x
锛?/p>
0
锛夛紝
x
锛?/p>
4
锛?/p>
x<0
锛夛紝
鍒?/p>
f(f(f(
锛?/p>
4)))
锛?/p>
(
)
A.
锛?/p>
4
B.4
C.3
D.
锛?/p>
3
绛旀
B
瑙ｆ瀽
鈭碉紞
4<0
锛屸埓
f(
锛?/p>
4)
锛?/p>
(
锛?/p>
4)
锛?/p>
4
锛?/p>
0.
鈭?/p>
f(f(
锛?/p>
4))
锛?/p>
f(0)
锛?/p>
1.
浜庢槸
f(f(f(
锛?/p>
4)))
锛?/p>
f(1)
锛?/p>
1
2
锛?/p>
3
锛?/p>
4.
鏁呴�?/p>
B.
2.
宸茬煡
f(x)
锛?/p>
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
x
锛?/p>
5
锛坸鈮?锛夛紝
f
锛?/p>
x
锛?/p>
2
锛?/p>
锛?/p>
x<6
锛夛紝
鍒?/p>
f(3)
绛変簬
(
)
A.2
B.3
C.4
D.5
绛旀
A
3.
宸茬煡闆嗗悎
A
锛?/p>
{1
锛?/p>
2
锛?/p>
3
锛?/p>
4}
锛?/p>
B
锛?/p>
{5
锛?/p>
6
锛?/p>
7}
锛屽湪涓嬪垪
A
鍒?/p>
B
鐨勫洓绉嶅搴斿叧绯讳腑锛屽瓨鍦ㄥ嚱鏁?/p>
鍏崇郴鐨勪釜鏁版槸
(
)
A.1
B.2
C.3
D.4
绛旀
B
瑙ｆ瀽
鍏朵腑鈶犫憿鍧囨弧瓒冲嚱鏁板畾涔?/p>
.
4.
璁剧敳銆佷箼涓ゅ湴鐨勮窛绂讳负
a(a
锛?/p>
0)
锛屽皬鐜嬮獞鑷杞︿互鍖�閫熶粠鐢插湴鍒颁箼鍦扮敤浜?/p>
20
鍒嗛挓锛屽湪涔?/p>
鍦颁紤鎭?/p>
10
鍒嗛挓鍚庯紝
浠栧張浠ュ寑閫熶粠涔欏湴杩斿洖鐢插湴鐢ㄤ簡
30
鍒嗙锛?/p>
鍒欏皬鐜嬩粠鍑哄彂鍒拌繑鍥炲師鍦版墍缁?/p>
杩囩殑璺▼
y
鍜屽叾鎵�鐢ㄧ殑鏃堕棿
x
鐨勫嚱鏁扮殑鍥惧儚涓?/p>
(
)