浜烘暀鐗?/p>
2017-2018
瀛﹀勾涔濆勾绾т笅鍐屾暟瀛﹀叏鍐岀患鍚堟祴璇曢
涓�銆佸崟閫夐
(
鈽呪槄
)
1 .
濡傚浘鏄簲涓浉鍚岀殑姝ｆ柟浣撶粍鎴愮殑涓�涓嚑浣曚綋锛屽畠鐨勫乏瑙嗗浘鏄紙
锛?/p>
A
锛?
B
锛?
C
锛?
D
锛?
(
鈽?/p>
)
2 .
浜屾鍑芥暟
y=-x
2
+2x+2
鍖栦负
y=a
锛?/p>
x-h
锛?/p>
2
+k
鐨勫舰寮忥紝涓嬪垪姝ｇ‘鐨勬槸
( )
A
锛?/p>
y=-
锛?/p>
x-1
锛?/p>
2
+2
B
锛?/p>
y=-
锛?/p>
x-1
锛?/p>
2
+3
C
锛?/p>
y=
锛?/p>
x-2
锛?/p>
2
+2
D
锛?/p>
y=
锛?/p>
x-2
锛?/p>
2
+4
(
鈽?/p>
)
3 .
宸茬煡鍑芥暟
y=
鐨勫浘璞″鍥撅紝褰?/p>
x鈮?/p>
锕?/p>
1
鏃讹紝
y
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?/p>
y
锛滐梗
1
B
锛?/p>
y鈮?/p>
锕?/p>
1
C
锛?/p>
y鈮?/p>
锕?/p>
1
鎴?/p>
y
锛?/p>
0
D
锛?/p>
y
锛滐梗
1
鎴?/p>
y鈮?
(
鈽呪槄鈽?/p>
)
4 .
濡傚浘锛岀偣
N
鏄弽姣斾緥鍑芥暟
y=
锛?/p>
x
锛?/p>
0
锛夊浘璞′笂鐨勪竴涓姩鐐癸紝杩囩偣
N
浣?/p>
MN
鈭?/p>
x
杞达紝
浜ょ洿绾?/p>
y=
锕?/p>
2x+4
浜庣偣
M
锛屽垯
鈻?/p>
OMN
闈㈢Н鐨勬渶灏忓�兼槸锛堬級
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
3
D
锛?/p>
4
