绮惧吀鏂囩鏁板楂樿�冨父鑰冮
鍗曢�夐锛堝叡
5
閬擄級
1
銆佽鍑芥暟
f(x)
锛?
(a鈭圧锛?/p>
e
涓鸿嚜鐒跺鏁扮殑搴曟暟
)
锛岃嫢瀛樺湪
b鈭圼0,1]
浣?/p>
f(f(b))
锛?/p>
b
鎴愮珛锛屽垯
a
鐨勫彇鍊艰寖鍥存槸
(
)
銆?/p>
A[1
锛?/p>
e]
B[1,1
锛?/p>
e]
C[e,1
锛?/p>
e]
D[0,1]
2
銆?/p>
(
鍏朵腑
x
锛?/p>
0)
锛?/p>
锛岃
鍑芥暟
锛屼笖鍑芥暟
鐨勯浂鐐归兘鍦ㄥ尯闂?/p>
鍐咃紝鍒?
鐨勬渶灏忓�间负
A2
B4
C3
D5
3
銆佸凡鐭?
锛?/p>
A
涓虹浜岃薄闄愯锛屽垯
tanA=
A
B
C
D
