Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
47801	求解函数运算	f(x)=-2x^2+2x+4 Find f(1)	$f (x) = - 2 x^{2} + 2 x + 4$ Find $f (1)$
47802	求解函数运算	f(x)=-x^2+6x-18 Find f(-3)	$f (x) = - x^{2} + 6 x - 18$ Find $f (- 3)$
47803	求斜率	y-9=1/5(x-2)	$y - 9 = \frac{1}{5} (x - 2)$
47804	求出渐近线	f(x)=(x^2-3x-4)/(2x^2+x-1)	$f (x) = \frac{x^{2} - 3 x - 4}{2 x^{2} + x - 1}$
47805	求解函数运算	f(x)=-x^2+5x+15 Find f(9)	$f (x) = - x^{2} + 5 x + 15$ Find $f (9)$
47806	求解函数运算	f(x)=-4x^2+6x-4 Find f(5)	$f (x) = - 4 x^{2} + 6 x - 4$ Find $f (5)$
47807	求出渐近线	f(x) = cube root of x	$f (x) = \sqrt[3]{x}$
47808	求出渐近线	f(x)=(2(2x+5))/(3(x-7)(x-1))	$f (x) = \frac{2 (2 x + 5)}{3 (x - 7) (x - 1)}$
47809	求解函数运算	f(x)=-2x^2+17 Find f(10)	$f (x) = - 2 x^{2} + 17$ Find $f (10)$
47810	求定义域	f(x)=(2x-2)/( -x^2+3x+10) 的平方根	$f (x) = \frac{2 x - 2}{\sqrt{- x^{2} + 3 x + 10}}$
47811	求出渐近线	R(x)=(x^2)/(x^2-x-2)	$R (x) = \frac{x^{2}}{x^{2} - x - 2}$
47812	求定义域	f(x)=(4x-1)/(x-2)+ 6x-x^2-5 的平方根	$f (x) = \frac{4 x - 1}{x - 2} + \sqrt{6 x - x^{2} - 5}$
47813	求定义域	f(x,y)=( x+y+1)/(x-1) 的平方根	$f (x, y) = \frac{\sqrt{x + y + 1}}{x - 1}$
47814	求定义域	f(x) = square root of (x+5)/((x-7)(x-2))	$f (x) = \sqrt{\frac{x + 5}{(x - 7) (x - 2)}}$
47815	求出渐近线	f(x)=x/(x^2+4x)	$f (x) = \frac{x}{x^{2} + 4 x}$
47816	判断是否为奇、偶或非奇非偶	csc(x)	$\csc (x)$
47817	求出顶点	9x^2-16y^2=144	$9 x^{2} - 16 y^{2} = 144$
47818	求出最大公因子（GCF）	18 and 24	$18$ and $24$
47819	求解函数运算	f(x)=-x^2-10x find f(-7)	$f (x) = - x^{2} - 10 x$ find $f (- 7)$
47820	求出渐近线	f(x)=((x+4)(x+6))/(2x(x+4))	$f (x) = \frac{(x + 4) (x + 6)}{2 x (x + 4)}$
47821	求出渐近线	f(x)=(x^2+2x)/(3x+3)	$f (x) = \frac{x^{2} + 2 x}{3 x + 3}$
47822	求解函数运算	f(x)=3x^2+16 Find f(-1)	$f (x) = 3 x^{2} + 16$ Find $f (- 1)$
47823	求解函数运算	f(x)=-x^2+10x-2 find f(-5)	$f (x) = - x^{2} + 10 x - 2$ find $f (- 5)$
47824	求解函数运算	w(t)=-2t+1 ; Find w(-7)	$w (t) = - 2 t + 1$ ; Find $w (- 7)$
47825	求向量的方向角	v=3i-4j	$v = 3 i - 4 j$
47826	求出渐近线	f(x)=((x+8)(x+5))/(3(x+5))	$f (x) = \frac{(x + 8) (x + 5)}{3 (x + 5)}$
47827	求出渐近线	f(x)=(x^2+x-6)/(x^2+x-20)	$f (x) = \frac{x^{2} + x - 6}{x^{2} + x - 20}$
47828	求出渐近线	(x^2+3x)/(x^2+x-6)	$\frac{x^{2} + 3 x}{x^{2} + x - 6}$
47829	求出渐近线	f(x)=(2x(x+5))/((2x-1)(x+1))	$f (x) = \frac{2 x (x + 5)}{(2 x - 1) (x + 1)}$
47830	求出渐近线	R(x)=(x^2)/(x^2-x-12)	$R (x) = \frac{x^{2}}{x^{2} - x - 12}$
47831	求出顶点	Y=-3x^2+6x-2	$Y = - 3 x^{2} + 6 x - 2$
47832	求出渐近线	F(x)=2/(3x(x-1)(x+5))	$F (x) = \frac{2}{3 x (x - 1) (x + 5)}$
47833	判断是否为奇、偶或非奇非偶	f(x)=(x^2+1)/x	$f (x) = \frac{x^{2} + 1}{x}$
47834	求定义域	f(x)=(2x+2)/( x^2+x-12) 的平方根	$f (x) = \frac{2 x + 2}{\sqrt{x^{2} + x - 12}}$
47835	求解函数运算	x^3-5x^2+2x+8=0 given that -1 is a zero of f(x)=x^3-5x^2+2x+8	$x^{3} - 5 x^{2} + 2 x + 8 = 0$ given that $- 1$ is a zero of $f (x) = x^{3} - 5 x^{2} + 2 x + 8$
47836	求斜率	(-5,4) and (3,-3)	$(- 5, 4)$ and $(3, - 3)$
47837	求出最大公因子（GCF）	12 and 32	$12$ and $32$
47838	求解函数运算	f(x)=-x^2 Find f(3)	$f (x) = - x^{2}$ Find $f (3)$
47839	求出平均变化率	f(x)=3x+9	$f (x) = 3 x + 9$
47840	求斜率	(-2,8) and (0,8)	$(- 2, 8)$ and $(0, 8)$
47841	求斜率	(-7,-13) and (1,-5)	$(- 7, - 13)$ and $(1, - 5)$
47842	求出矢量大小。	v=3i-4j	$v = 3 i - 4 j$
47843	求斜率	(-9,-6) and (3,-9)	$(- 9, - 6)$ and $(3, - 9)$
47844	求出渐近线	f(x)=(2x(x-8))/(3(x+9)(x-7))	$f (x) = \frac{2 x (x - 8)}{3 (x + 9) (x - 7)}$
47845	求出渐近线	f(x)=(2(5x-2)(x+1))/((x-9)(x+9))	$f (x) = \frac{2 (5 x - 2) (x + 1)}{(x - 9) (x + 9)}$
47846	求定义域	g(x)=6/(x+3)+2/(x-4)	$g (x) = \frac{6}{x + 3} + \frac{2}{x - 4}$
47847	求斜率	(-1,-11) and (-6,-7)	$(- 1, - 11)$ and $(- 6, - 7)$
47848	求斜率	(8,3) and (-5,3)	$(8, 3)$ and $(- 5, 3)$
47849	求出渐近线	f(x)=(3(x-1)(x+1))/(2(x-1))	$f (x) = \frac{3 (x - 1) (x + 1)}{2 (x - 1)}$
47850	求解函数运算	f(x)=-4x^2+9 Find f(-3)	$f (x) = - 4 x^{2} + 9$ Find $f (- 3)$
47851	求定义域	y=(1-7x)/(8-\|3x-15\|)	$y = \frac{1 - 7 x}{8 - \| 3 x - 15 \|}$
47852	判断是否为奇、偶或非奇非偶	f(x)=2x-x^3	$f (x) = 2 x - x^{3}$
47853	求解函数运算	Solve the equation x^3+2x^2-5x-6=0 given that 2 is a zero of f(x)=x^3+2x^2-5x-6	Solve the equation $x^{3} + 2 x^{2} - 5 x - 6 = 0$ given that $2$ is a zero of $f (x) = x^{3} + 2 x^{2} - 5 x - 6$
47854	求出渐近线	f(x)=((4x-3)(x-1))/((2x+1)(x+1))	$f (x) = \frac{(4 x - 3) (x - 1)}{(2 x + 1) (x + 1)}$
47855	求出渐近线	F(x)=(X+1)/(X+2)	$F (x) = \frac{X + 1}{X + 2}$
47856	求出渐近线	f(x)=(3(2x+5)(2x-5))/(3(2x+5))	$f (x) = \frac{3 (2 x + 5) (2 x - 5)}{3 (2 x + 5)}$
47857	求出渐近线	f(x)=(3(2x+7)(x+8))/(x+1)	$f (x) = \frac{3 (2 x + 7) (x + 8)}{x + 1}$
47858	求出矢量大小。	v=8i-6j	$v = 8 i - 6 j$
47859	求出顶点	y=\|x+1\|	$y = \| x + 1 \|$
47860	求解函数运算	f(x)=3x^2+7x and g(x)=2x^2-x-1 ; find (f+g)(x)	$f (x) = 3 x^{2} + 7 x$ and $g (x) = 2 x^{2} - x - 1$ ; find $(f + g) (x)$
47861	求出渐近线	f(x)=(2(3x+10))/((x+4)(x+3))	$f (x) = \frac{2 (3 x + 10)}{(x + 4) (x + 3)}$
47862	求出渐近线	f(x)=(2(x+3)(x+7))/((x+1)(x+7))	$f (x) = \frac{2 (x + 3) (x + 7)}{(x + 1) (x + 7)}$
47863	求出渐近线	y=(x^2)/(x^2+x-12)	$y = \frac{x^{2}}{x^{2} + x - 12}$
47864	求解函数运算	g(x)=3x-3 ; Find g(-6)	$g (x) = 3 x - 3$ ; Find $g (- 6)$
47865	求定义域	f(x)=( x-4)/( 的平方根 x-6) 的平方根	$f (x) = \frac{\sqrt{x - 4}}{\sqrt{x - 6}}$
47866	判断是否为奇、偶或非奇非偶	g(x)=3/(1+x^2)	$g (x) = \frac{3}{1 + x^{2}}$
47867	求斜率	(6,-5) and (6,-8)	$(6, - 5)$ and $(6, - 8)$
47868	求出渐近线	f(x)=(3(x-10))/(2x+1)	$f (x) = \frac{3 (x - 10)}{2 x + 1}$
47869	求斜率	(1,-1) and (5,-7)	$(1, - 1)$ and $(5, - 7)$
47870	求出顶点	f(x)=1/2x^2+3x+3/2	$f (x) = \frac{1}{2} x^{2} + 3 x + \frac{3}{2}$
47871	求出渐近线	r(x)=(x^2)/(x^2-x-20)	$r (x) = \frac{x^{2}}{x^{2} - x - 20}$
47872	求出渐近线	f(x)=(5x-6)/(3(2x-7))	$f (x) = \frac{5 x - 6}{3 (2 x - 7)}$
47873	求出最大公因子（GCF）	-50m^4n^7 and 40m^2n^10	$- 50 m^{4} n^{7}$ and $40 m^{2} n^{10}$
47874	使用部分分式分解法进行分解	(3x^4+x^3+4x^2+6x+3)/(x^5+2x^3+x)	$\frac{3 x^{4} + x^{3} + 4 x^{2} + 6 x + 3}{x^{5} + 2 x^{3} + x}$
47875	使用部分分式分解法进行分解	(x^2-3x-1)/(x^3+x^2-2x)	$\frac{x^{2} - 3 x - 1}{x^{3} + x^{2} - 2 x}$
47876	求定义域	y=(6+9x)/(6-\|x-1\|)	$y = \frac{6 + 9 x}{6 - \| x - 1 \|}$
47877	求定义域	f(x) = square root of (5-x)/x	$f (x) = \sqrt{\frac{5 - x}{x}}$
47878	求出最大公因子（GCF）	16 and 24	$16$ and $24$
47879	求解函数运算	f(x)=3^x+10 and g(x)=2x-4 ; find (f-g)(x)	$f (x) = 3^{x} + 10$ and $g (x) = 2 x - 4$ ; find $(f - g) (x)$
47880	求斜率	(1,0) and (3,8)	$(1, 0)$ and $(3, 8)$
47881	求解函数运算	g(a)=3^(3a-2) ; Find g(1)	$g (a) = 3^{3 a - 2}$ ; Find $g (1)$
47882	求出渐近线	f(x)=(3(x-7)(x+7))/(2x(x-7))	$f (x) = \frac{3 (x - 7) (x + 7)}{2 x (x - 7)}$
47883	求斜率	(-4,0) and (-4,-10)	$(- 4, 0)$ and $(- 4, - 10)$
47884	求出渐近线	(5x^2)/(-3x^2-7x)	$\frac{5 x^{2}}{- 3 x^{2} - 7 x}$
47885	求出渐近线	f(x)=((x+6)(x+9))/(3(x+10))	$f (x) = \frac{(x + 6) (x + 9)}{3 (x + 10)}$
47886	求解函数运算	8^(2x-1)=32 , 768	$8^{2 x - 1} = 32$ , $768$
47887	判断是否为奇、偶或非奇非偶	f(x)=7^x+1	$f (x) = 7^{x} + 1$
47888	求出渐近线	f(x)=(3(x-1))/(2(x-4)(x-1))	$f (x) = \frac{3 (x - 1)}{2 (x - 4) (x - 1)}$
47889	求解函数运算	(f/g)(x)	$(\frac{f}{g}) (x)$
47890	求解函数运算	P(x)=x^3+2x^2-4x-1 , PC(1/2)	$P (x) = x^{3} + 2 x^{2} - 4 x - 1$ , $P C (\frac{1}{2})$
47891	计算函数值	g(x)=5x-7 , g(x^2+1)	$g (x) = 5 x - 7$ , $g (x^{2} + 1)$
47892	判断是否为奇、偶或非奇非偶	f(x)=c	$f (x) = c$
47893	求无限几何级数之和	1+1/3+1/9+1/27+...	$1 + \frac{1}{3} + \frac{1}{9} + \frac{1}{27} + \dots$
47894	求出渐近线	F(x)=2+1/x	$F (x) = 2 + \frac{1}{x}$
47895	求定义域	f(x,y)=x^2+y^2	$f (x, y) = x^{2} + y^{2}$
47896	判断是否为一条抛物线	y=x^2	$y = x^{2}$
47897	求出顶点	y=x^2+-4x+3	$y = x^{2} + - 4 x + 3$
47898	求出渐近线	f(x)=(2(x+5)(x-8))/(x(x+5))	$f (x) = \frac{2 (x + 5) (x - 8)}{x (x + 5)}$
47899	求出渐近线	f(x)=(3(x+5)(x-5))/(2(x+5))	$f (x) = \frac{3 (x + 5) (x - 5)}{2 (x + 5)}$
47900	求斜率	(6,2) and (7,4)	$(6, 2)$ and $(7, 4)$