导数五步法画函数图像10个函数示意图应用举例之一
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1.函数y=(12x2+9)(4x2+14)的图像示意图:介绍函数的定义域、单调性、凸凹性、极限等性质及五点图表,并通过导数知识计算函数的单调和凸凹区间,简要画出示意图。
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2.函数y=(19x2+5)√(4x2+9)的主要性质及其图像:介绍函数的定义域、单调性、凸凹性、极限等性质,列举函数的五点图表,进一步画出函数的示意图。
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3.函数y=4√(x+80)^7图像画法及步骤:本文通过函数的定义、单调、凸凹性和极限等性质,介绍函数的主要性质及图像画法步骤。
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4.曲线x³+y³=2的主要性质及其图像示意图:介绍曲线方程的定义域、单调性、凸凹性等性质,同时用导数的知识求解函数的单调区间和凸凹区间,并简洁画出函数的图像示意图。
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5.√(x+4)+√(3y+5)=2的图像示意图:介绍曲线方程的定义域、单调性、凸凹性及极限等性质,同时用导数简洁画出函数的图像示意图。
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6.函数y=16x3+8x的图像示意图及主要性质:介绍函数的定义域、单调性、凸凹性、极限等性质,列举函数的五点图表,进一步画出函数的示意图。
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7.函数y=√(20x-87)^5图像画法及步骤:通过函数的定义、单调、凸凹和极限等性质, 并通过导数知识,介绍函数的主要性质及图像示意图画法步骤。
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8.函数y=log2(-2x+3)的图像示意图:介绍函数的定义域、单调性、凸凹性、极限等性质,列举函数的五点图表,简要画出函数的示意图。
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9.函数y=e^x(3x+4)的图像示意图:本文通过函数的定义、单调、凸凹性和极限等性质,介绍函数的主要性质及图像画法步骤。
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10.函数y=2^4x的图像示意图:介绍函数的定义域、单调性、凸凹性、极限等性质,列举函数的五点图表,进一步画出函数的示意图。
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蒙杨贩3018画出函数y=|x+1|+|x - 2|的图像,观察并回答:y是否存在最大或最小值?若存在则求出它的最大或最小值. 谢谢 -
轩泳到19355877188 ______ y=|x+1|+|x-2| x>=2时y=2x-1此时有最小值3-1≤x<2时y=x+1+2-x=3 x<-1时y=-x-1+2-x=-2x+2此时无最值(因为是小于) 所以又最小值3 希望可以帮到你
蒙杨贩3018画出y=2|x+1|的图像 -
轩泳到19355877188 ______ 因为 x≥-1时, y=2x+2 x<-1时, y=-2x-1 所以图像如下图:
蒙杨贩3018在同一平面直角坐标系中画出一次函数y1=2x+1和y2= - x+2的图像,并根据图像回答下列 -
轩泳到19355877188 ______ 在同一直角坐标系中 画出一次函数Y1=-X+1与Y2=2X-2的图像,并根据图像回答下列问题
蒙杨贩3018!一次函数y= - x+2的图像与X轴的交点是什么?与Y轴的交点是什么? -
轩泳到19355877188 ______ 解由一次函数y=-x+2 知当x=0时,y=2,故一次函数的图像与Y轴的交点是(0,2) 当y=0时,x=2,故一次函数的图像与X轴的交点是(2,0).
蒙杨贩3018y=︱x+1︱+︱x - 2︱的图像怎么画 -
轩泳到19355877188 ______ 你要去掉绝对值,才能画 当x+1>0,且X-2>0, y=X+1+X-2=2x-1 当x+10,y=-x-1+x-2=-3 此曲线不存在 当X+10,X-2
蒙杨贩3018在空间直角坐标系中,方程x^2+y^2 - 2y=0的图像是圆柱面 为什么? -
轩泳到19355877188 ______ x²+y²-2y+1=1x²+(y-1)²=1 此方程在z=0平面上是一个圆心在(0,1,0),半径为1的圆 而z可取任意值 所以x²+y²-2y=0的图像是圆柱.
蒙杨贩3018在同一直角坐标系内画出函数y=﹣x+2,y=x+2的图像,这两个图象有怎样的位置关系?
轩泳到19355877188 ______ 你取(-2,0)、(2,0)、(0,2)三点连出三条线,除去和X轴重合的就是要画的两条线,这两条是垂直的关系.
蒙杨贩3018y=| - x+2|的图像 -
轩泳到19355877188 ______ 首先解决绝对值里面的问题 可以理解成绝对值2-X 1/ 当X大于2的时候Y=X-2;2 /当X等于2的时候Y=0;3 /当X小于2的时候Y=2-X.然后就可以画出图像了 也可以将2情况放在1和3情况里面 希望对您有所帮助
蒙杨贩3018(x+y)(X+2Y - 2)≥0图像求(x,y)求点(X,Y)所在的区域 -
轩泳到19355877188 ______[答案] 一种情况 x+y≥0 x+2y-2≥0 =>y>=-x y>=1-x/2 两条直线交点(-2,2) 另外一种情况 x+y
蒙杨贩3018⑴在同一直角坐标系内画出函数y= - x+2.y=x+2的图象,这两个图象有怎样的位置关系? ⑵函数y -
轩泳到19355877188 ______ (1) 位置关系:关于y轴对称 (2) 位置关系:仍然关于y轴对称 猜想:自变量前的系数互为相反数——》函数图像关于y轴对称.