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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麻红聂4151y=|x^2 - 4x|的函数图像怎么画? -
蓟袁哗17680295757 ______ y=x^2-4x y=0 x=0 x=4 先做出y=x^2-4x的图形 y=(x-2)^2-4 顶点(2,-4) 与x轴交点(0,0) (4,0) x在0和4之间y<0 将0<x<4间的图像以x轴对称画到x轴上方 即可
麻红聂4151y=x^1/4图像 -
蓟袁哗17680295757 ______[答案] 如图,
麻红聂4151二次项函数y=x^ - 4的图像平移2个单位,得到的新的二次项函数表达式是.关键是步骤. -
蓟袁哗17680295757 ______[答案] 上下平移还是左右平移 上y=x^2-2 下y=x^2-6 左 y=(x+2)^2-4 右 y=(x-2)^2-4
麻红聂4151y=x|x - 4|的函数图像 -
蓟袁哗17680295757 ______[答案] x4,y=x^2-4x
麻红聂4151如何求二次函数y=X^2+4的图像与y轴的交点坐标 -
蓟袁哗17680295757 ______[答案] y轴交点处,x=0,代入函数y=4,所以交点坐标(0,4).
麻红聂4151y=x^2 - 4|x|+1的图像怎么画? -
蓟袁哗17680295757 ______[答案] 这是一个图像变换的问题 y=x^2-4|x|+1=|x|^2-4|x|+4-3=(|x|-2)^2-3 所以从y=x^2这个最最基本的图像变换: y=(x-2)^2 是把y=^2的图像向右平移2个单位 y=(x-2)^2 -3是把y=(x-2)^2 的图像向下平移3个单位 最后说绝对值: 去掉y=(x-2)^2 -3图像的y轴左侧的部...
麻红聂4151y=x平方+4x+4 图像五个点、及图像、 -
蓟袁哗17680295757 ______[答案] 开口向上的抛物线,顶点(-2,0), 对称轴x=-2 (-4,4) , (-3,1), (-2,0) , (-1,1), (0,4)
麻红聂4151已知函数Y=X的平方 - 4x+3 (1)画出图函数图像(2)观察图像,当x取哪些直值时,函数值为0?只注重第二问 (2)观察图像,当x取哪些直值时,函数值为0? -
蓟袁哗17680295757 ______[答案] y=x^2-4x+3=(x-1)*(x-3),当y=0时,(x-1)*(x-3)=0,所以x=1或x=3
麻红聂4151y=xe的x次方图像应该怎么画? -
蓟袁哗17680295757 ______ y等于e的x次方是一种指数函数,其图像是单调递增,x∈R,y>0,与y轴相交于(0,1)点,图像位于X轴上方,第二象限无限接近X轴,如下图所示: /iknow-pic.cdn.bcebos.com/c995d143ad4bd11385d3683657afa40f4bfb059c＂target=＂_blank...
麻红聂4151y=X的平方 - 4|X|图像怎么画 还有y=|X - 4|X 怎么画, 请给出图像 谢谢. -
蓟袁哗17680295757 ______[答案] 1.y=X²-4|X|图像怎么画 x≧0时,y=x²-4x=(x-2)²-4,这是一条顶点在(2,-4),开口朝上,与x轴交于(0,0)和(4,0) 的抛物线,图在y轴的右边(x≧0).①; x≦0时,y= x²+4x=(x+2)²-4,这是一条顶点在(-2,-4),开口朝上,与x轴交于(0,0)...