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1、新课标第一网()-中小学教学资源共享平台新课标第一网-免费课件、教案、试题下载1.3 反比例函数的应用第 1 题.受力面积S(米2)(S为常数,0S)的物体,所受的压强P(帕)与压力F(牛)的函数关系为FPS,则这个函数的图象是()答案:第 2 题.某乡粮食总产量为a(a为常数)吨,设该乡平均每人占有粮食为y(吨),人口数为x,则y与x之间的函数关系的图象应为下图的()答案:第 3 题.一个长方体的体积是3100cm,它的长是cmy,宽为5cm,高是cmx(1)写出用高表示长的函数关系式,y是x的反比例函数关系吗?(2)写出自变量x的取值范围;(3)当3cmx时,求y的值;(4)画出函数的图象
2、答案:(1)依题意5100 xy,20yx(2)长和宽都是正数,0 x(3)当3x时,2026(cm)33y(4)图象分支在第一象限内,略P(帕)F(牛)P(帕)F(牛)P(帕)F(牛)P(帕)F(牛)C D yxyxyxyx新课标第一网()-中小学教学资源共享平台新课标第一网-免费课件、教案、试题下载第 4 题.某变阻器两端的电压为220伏,则通过变阻器的电流()I A与它的电阻()R之间的函数关系的图象大致为()答案:第 5 题.某校举行田径运动会,学校准备了某种气球,这些气球内充满了一定质量的气体,当温度不变时,气球内气体的气压(k Pa)P是气体体积3(m)V的反比例函数,其图象如图所
3、示(1)写出这一函数的解析式(2)当气体的体积为31m时,气压是多少?(3)当气球内的气压大于150 kPa时,气球会将爆炸,为了安全起见,气体的体积应不小于多少?答案:(1)设kPV,将(0.5120)A,代入求出60k,60PV(2)当31mV时,60(m)P(3)当150kPaP时,气球将爆炸,150P,即60150V即3600.4(m)150V 第 6 题.甲、乙两地相距100km,如果把汽车从甲到乙地所用的时间y(h)表示为汽车的平均速度x(km)的函数,则此函数的图象大致为()xyxyxyxyO0.511.5250100150200/KPaP(0.5120)A,3/mVxyxyxy
4、xy文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码
5、:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W1
6、0Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U
7、10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2
8、X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3
9、J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7
10、A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6新课标第一网()-中小学教学资源共享平台新课标第一网-免费课件、教案、试题下载答案:第 7 题.体积、密度、质量之间的关系为:质量密度体积所以在以下结论中,正确的为
11、()当体积一定时,质量与密度成反比例当密度一定时,质量与体积成反比例当质量一定时,密度与体积成反比例在体积、密度及质量中的任何两个量均成反比例答案:第 8 题.如果等腰三角形的底边长为x,底边上的高为y,则它的面积为定值S时,x与y的函数关系为()Syx2Syx2Syx2xyS答案:第 9 题.甲乙两地相距s,汽车从甲地以v(千米时)的速度开往乙地,所需时间是t(小时),则正确的是为()当t为定值时,s与v成反比例当v为定值时,s与t成反比例当s为定值时,v与t成反比例以上三个均不正确答案:第 10 题.某工厂现有煤200 吨,这些煤能烧的天数y与平均每天烧煤的吨数x之间的函数关系式是y答案:
12、200 x第 11 题.在匀速直线运动中,当路程s一定时,用时间t来表示速度v的式子是,这时v是t的函数答案:svt,反比例;第 12 题.在压力不变的情况下,某物体承受的压强P(pa)是它的受力面积S(m2)的反比例函数,其图象如图所示(1)求P与S之间的函数关系式;(2)求当0.5Sm2时物体承受的压强P文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10
13、HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D
14、7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2
15、ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G
16、1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文
17、档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM
18、2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1
19、D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6新课标第一网()-中小学教学资源共享平台新课标第一网-免费课件、教案、试题下载答案:解:(1)设kPS点(0.11000)A,在函数图象上,10000.1k100kP与S之间的函数关系式为100PS(2)当0.5Sm2时,1002000.5P(pa)第 13 题.已知汽车的油箱中存20 升油,油从管道以匀速x升分钟往外流(1)写出油箱中的油都流完所需时间y(分钟)与速度x(升分钟)的关系式(2)若x的最大值为4,且要求在40 分钟内把油都流完、确定x的取
20、值范围(3)画出满足(2)的y与x的函数图象答案:(1)20yx(2)0.54x(3)第 14 题.某拖拉机油箱内有24 升油,请写出这些油可供使用的时间y小时与平均每小时耗油量x升时之间的函数关系式:答案:24yxS(m2)0.4 0.3 0.2 0.1 1000 2000 3000 4000 P(pa)124 10 40 xy文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2
21、W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D
22、3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 H
23、K2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7
24、Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 Z
25、U7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1
26、U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档
27、编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6新课标第一网()-中小学教学资源共享平台新课标第一网-免费课件、教案、试题下载文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10
28、Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U1
29、0 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X
30、3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J
31、2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A
32、6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X
33、6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6文档编码:CM2W10Y1D3U10 HK2X3D7Q3J2 ZU7A6G1U2X6