鈥滃嚱鏁板強鍏跺浘璞♀�濈粌涔?/p>
1.
杩囧弽姣斾緥鍑芥暟锛?/p>
=
涓?/p>
锛?/p>
k >
0
锛?/p>
鐨勫浘褰栦笂鐨勪竴鐐瑰垎鍒綔
x
銆佸肮杞寸殑鍨傜嚎娈碉紝濡傛灉鍨傜嚎娈?/p>
ijx.y
x
杞存墍
I
闊?/p>
I
鎴愮殑鐭╁舰闈㈢Н鏄?/p>
6,
閭ｄ箞璇ュ嚱鏁扮殑琛ㄨ揪寮忔槸
____
;
鑻ョ偣
*3
宸濓級鍦ㄨ繖涓弽姣斾緥鍑芥暟鐨勫浘
璞′笂锛屽垯
tn=
_
___
.
2.
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴
X
銆備腑
,
宸辩煡涓�娆″嚱鏁?/p>
y = kx^b
锛?/p>
k^O
锛?/p>
鐨勫浘褰栬繃鐐?/p>
P
锛?/p>
l,l
锛?/p>
,
涓庡厐杞?/p>
浜や簬鐐瑰姏锛屼笌灏硅酱浜や簬鐐?/p>
3, R tan
ZABO =
3 ,
閭ｄ箞鐐瑰姏鐨勫潗鏍囨槸
____________________
.
3.
涔濆勾绾ф暟瀛﹁鏈笂锛岀敤鈥滄弿鐐规硶鈥濈敾浜屾鍑芥暟
y = ax
1 2 3
+bx^c
鐨勫浘褰栨椂
.
鍒椾簡濡備笅琛ㄦ牸锛?/p>
X
鈥?nbsp;鈥?nbsp;鈥?/p>
鈻?
-1
0
1
2
鈥?nbsp;鈥?nbsp;鈥?/p>
y
鈥?nbsp;鈥?nbsp;鈥?/p>
-6
涓?/p>
2
銉?/p>
4
-2-
2
銉?/p>
2
-2-
2
鈥?nbsp;鈥?nbsp;鈥?/p>
鏍规嵁琛ㄦ牸涓婄殑淇℃伅鍚岀瓟闂锛氳浜屾鍑芥暟
y = ax
2
+bx + c
鍦ㄥ厐
=3
鏃讹紝
灏?/p>
_____________________
銉?/p>
2
4.
濡傚浘锛屾槸涓�娆″嚱鏁?/p>
y=kx+b
涓?/p>
鍙嶆瘮渚嬪嚱鏁板案涓�鐨勫浘鍍忥紝鍒欏叧浜?/p>
x
2
x
鐨勬柟绋?/p>
kx+b=
鈥?/p>
鐨勮В涓猴紙
锛?/p>
x
A 鈥?nbsp;
xf=
1
锛?/p>
*2=2
B 鈥?nbsp;X|=
-2, *2=
銉?/p>
1
C.
鍏�灏?/p>
1, X2=-2 D
銉?/p>
鍏�
锛?/p>
=2, %2
=
-l
5.
涓�
鈥㈡鍑芥暟
y
}
= la+ b
涓庡肮
2=x + a
鐨勫浘璞″鍥撅紝鍑?/p>
I
涓嬪垪缁撹鈶?/p>
k <0
锛?/p>
庐a>
0
锛涒憿褰?/p>
x<3
鏃讹紝灏癸冀
<
鏃充腑
,
姝ｇ‘鐨勪釜
鏁版槸锛?/p>
锛?/p>
A. 0 B. 1
C. 2
D. 3
6.
宸茬煡浜屾鍑芥暟灏告苯
x+ma>o
锛?/p>
,
褰撹嚜鍙橀噺
x
鍙栧姞鏃讹紝鍏剁浉搴旂殑鍑芥暟鍊?
灏忎簬
0,
閭ｄ箞涓嬪垪
缁撹涓纭殑鏄紙
锛?/p>
7.
宸茬煡鐐?/p>
/
锛?/p>
涓�
2, -c
锛?/p>
鍚戝彸骞崇Щ
8
涓崟浣嶅緱鍒扮偣
A\A
涓?/p>
N
涓ょ偣鍧囧湪鎶涚墿绾?/p>
y = W +
浣ュ厐
+
c
涓婏紝
涓旇繖鏉℃姏鐗╃嚎涓?/p>
y
杞寸殑浜ょ偣鐨勭旱鍧愭爣涓轰竴
6,
姹傝繖鏉℃姏鐗╃嚎鐨勯《鐐瑰潗鏍?/p>
.
8.
宸茬煡浜屾鍑芥暟
y = x
2
+bx^c
涓紝鍑芥暟灏逛笌鍙ｅ彉閲?/p>
x
鐨勯儴鍒嗗搴斿�煎涓嬭〃
:
1
姹傝浜屾鍑芥暟鐨勫叧绯诲紡锛?/p>
2
褰?/p>
x
涓轰綍鍊兼椂锛岋紝鏈夋渶灏忓�硷紝鏈�灏忓�兼槸澶氬皯锛?/p>
3
鑻?/p>
4
锛?/p>
jn,
灏?/p>
J,
B
锛?/p>
m
+ L
蹇咃級涓ょ偣閮藉湪璇ュ嚱鏁扮殑鍥捐薄涓婏紝璇曟瘮杈冨繀涓庡繀鐨勫ぇ灏忊�?/p>
A.
m-\
鐨勫嚱鏁板�煎皬浜?/p>
0
B.
m-\
鐨勫嚱鏁板�煎ぇ浜?/p>
0
C.
鍔犮兓
1
鐨勫嚱鏁板�肩瓑浜?/p>
0
D.
鍔犮兓
1
鐨勫嚱鏁板�间笌
0
鐨勪汉灏忓叧绯讳笉纭畾