1
涓�娆″嚱鏁板疄闄呭簲鐢ㄩ棶棰樼粌涔?/p>
1
銆佷竴娆℃椂瑁呰〃婕斾細棰勭畻涓エ浠峰畾浣嶆瘡寮?/p>
100
鍏冿紝瀹圭撼瑙備紬浜烘暟涓嶈秴杩?/p>
2000
浜猴紝姣涘埄娑?/p>
y
锛堢櫨鍏冿級鍏充簬瑙?
浼椾汉鏁?/p>
x
锛堢櫨浜猴級涔嬮棿鐨勫嚱鏁板浘璞″鍥炬墍绀猴紝褰撹浼椾汉鏁拌秴杩?/p>
1000
浜烘椂锛岃〃婕斾細缁勭粐鑰呴渶鍚戜繚闄╁叕鍙镐氦绾?/p>
瀹氶骞冲畨淇濋櫓璐?/p>
5000
鍏冿紙涓嶅垪鍏ユ垚鏈垂鐢級璇疯В绛斾笅鍒楅棶棰橈細鈶存眰褰撹浼椾汉鏁颁笉瓒呰繃
1000
浜烘椂锛屾瘺鍒╂鼎
y
锛堢櫨鍏冿級鍏充簬瑙備紬浜烘暟
x
锛堢櫨浜猴級鐨勫嚱鏁拌В鏋愬紡鍜屾垚鏈垂鐢?/p>
s
锛堢櫨鍏冿級鍏充簬瑙備紬浜烘暟
x
锛堢櫨浜猴級鐨勫嚱鏁拌В
鏋愬紡锛?/p>
鈶佃嫢瑕佷娇杩欐琛ㄦ紨浼氳幏寰?/p>
36000
鍏冪殑姣涘埄娑︼紝閭ｄ箞瑕佸敭鍑哄灏戝紶闂ㄧエ锛熼渶鏀粯鎴愭湰璐圭敤澶氬皯鍏冿紵
锛堟敞锛氬綋瑙備紬浜烘暟涓嶈秴杩?/p>
1000
浜烘椂锛岃〃婕斾細鐨勬瘺鍒╂鼎
=
闂ㄧエ鏀跺叆鈥旀垚鏈垂鐢紱褰撹浼椾汉鏁拌秴杩?/p>
1000
浜烘椂锛?/p>
琛ㄦ紨浼氱殑姣涘埄娑?/p>
=
闂ㄧエ鏀跺叆鈥旀垚鏈垂鐢ㄢ�斿钩瀹変繚闄╄垂锛?/p>
1
銆佽В锛氣懘鐢卞浘璞″彲鐭ワ細褰?/p>
0
鈮?/p>
x
鈮?/p>
10
鏃讹紝璁?/p>
y
鍏充簬
x
鐨勫嚱鏁拌В鏋?/p>
y=kx-100
锛?/p>
鈭碉紙
10
锛?/p>
400
锛夊湪
y=kx-100
涓婏紝鈭?/p>
400=10k-100
锛岃В寰?/p>
k=50
鈭?/p>
y=50x-100
锛?/p>
s=100x-(50x-100)
锛屸埓
s=50x+100
鈶靛綋
10<x
鈮?/p>
20
鏃讹紝璁?/p>
y
鍏充簬
x
鐨勫嚱鏁拌В鏋愬紡涓?/p>
y=mx+b
锛?/p>
鈭碉紙
10
锛?/p>
350
锛?/p>
锛?/p>
锛?/p>
20
锛?/p>
850
锛夊湪
y=mx+b
涓婏紝
鈭?/p>
10m+b=350
瑙ｅ緱
m=50
20m+b=850 b=-150
鈭?/p>
y=50x-150
鈭?/p>
s=100x-(50x-150)-50
鈭?/p>
s=50x+100
鈭?/p>
y= 50x-100 (
0
鈮?/p>
x
鈮?/p>
10)
50x-150 (10<x
鈮?/p>
20)
浠?/p>
y=360
褰?/p>
0
鈮?/p>
x
鈮?/p>
10
鏃讹紝
50x-100=360
瑙ｅ緱
x=9.2 s=50x+100=50
脳
9.2+100=560
褰?/p>
10<x
鈮?/p>
20
鏃讹紝
50x-150=360
瑙ｅ緱
x=10.2 s=50x+100=50
脳
10.2+100=610
銆傝浣?/p>
杩欐琛ㄦ紨浼氳幏寰?/p>
36000
鍏冪殑姣涘埄娑?/p>
.
瑕佸敭鍑?/p>
920
寮犳垨
1020
寮犻棬绁紝鐩稿簲鏀粯鐨勬垚鏈垂鐢ㄥ垎鍒负
56000
鍏?/p>
鎴?/p>
61000
鍏冦�?/p>
850
400
350
O
-100
10
20
y锛堢櫨鍏冿級
x锛堢櫨浜猴級
2
銆?/p>
鐢蹭箼涓ゅ悕鍚屽杩涜鐧诲北姣旇禌锛屽浘涓〃绀虹敳涔欐部鐩稿悓鐨勮矾绾垮悓鏃朵粠灞辫剼鍑哄彂鍒拌揪灞遍《杩囩▼涓紝涓嚜琛?
杩涚殑璺▼闅忔椂闂村彉鍖栫殑鍥捐薄锛屾牴鎹浘璞′腑鐨勬湁鍏虫暟鎹洖绛斾笅鍒楅棶棰橈細
鈶村垎鍒眰鍑鸿〃绀虹敳銆佷箼涓ゅ悓瀛︾櫥灞辫繃绋嬩腑璺▼
s
锛堝崈绫筹級涓庢椂闂?/p>
t
锛堟椂锛夌殑鍑芥暟瑙ｆ瀽寮忥紱
锛堜笉瑕佹眰鍐欏嚭鑷彉
閲忕殑鍙栧�艰寖鍥达級
鈶靛綋鐢插埌杈惧北椤舵椂锛屼箼琛岃繘鍒板北璺笂鐨勬煇鐐?/p>
A
澶勶紝姹?/p>
A
鐐硅窛灞遍《鐨勮窛绂伙紱
鈶跺湪鈶电殑鏉′欢涓嬶紝璁句箼鍚屽浠?/p>
A
鐐圭户缁櫥灞憋紝鐢插悓瀛﹀埌杈惧北椤跺悗浼戞伅
1
灏忔椂锛屾部鍘熻矾涓嬪北锛屽湪鐐?/p>
B
澶勪笌
涔欏悓瀛︾浉閬囷紝姝ゆ椂鐐?/p>
B
涓庡北椤惰窛绂讳负
1.5
鍗冪背锛岀浉閬囧悗鐢层�佷箼鍚勮嚜娌垮師璺笅灞卞拰涓婂北锛屾眰涔欏埌澶у北椤舵椂锛?/p>
鐢茬灞辫剼鐨勮窛绂绘槸澶氬皯鍗冪背锛?/p>