Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
47701	求差商	1/x	$\frac{1}{x}$
47702	求解函数运算	10^6=1 , 0 , 0	$10^{6} = 1$ , $0$ , $0$
47703	求出渐近线	f(x)=(3(x-8)(x+8))/((2x-5)(2x+5))	$f (x) = \frac{3 (x - 8) (x + 8)}{(2 x - 5) (2 x + 5)}$
47704	求出渐近线	f(x)=(3(3x+1)(x-7))/(x(3x+1))	$f (x) = \frac{3 (3 x + 1) (x - 7)}{x (3 x + 1)}$
47705	求向量的方向角	y=-5i+2j	$y = - 5 i + 2 j$
47706	求出渐近线	f(x)=(2(5x-7)(x-1))/(3x(3x-1))	$f (x) = \frac{2 (5 x - 7) (x - 1)}{3 x (3 x - 1)}$
47707	求出渐近线	f(x)=(2x(5x+4))/((x+3)(x-3))	$f (x) = \frac{2 x (5 x + 4)}{(x + 3) (x - 3)}$
47708	求解函数运算	f(x)=1/x , (f(x)-f(a))/(x-a)	$f (x) = \frac{1}{x}$ , $\frac{f (x) - f (a)}{x - a}$
47709	求解函数运算	f(x)=-x^2+3x+13 Find f(-10)	$f (x) = - x^{2} + 3 x + 13$ Find $f (- 10)$
47710	求出渐近线	f(x)=-2(1/2)^x+4	$f (x) = - 2 {(\frac{1}{2})}^{x} + 4$
47711	求出渐近线	f(x)=3x	$f (x) = 3 x$
47712	求解函数运算	f(x)=-x^2-3x+3 Find f(7)	$f (x) = - x^{2} - 3 x + 3$ Find $f (7)$
47713	求定义域	f(x,y)=( y-x^2)/(1-x^2) 的平方根	$f (x, y) = \frac{\sqrt{y - x^{2}}}{1 - x^{2}}$
47714	求解函数运算	f(x)=-x^2-9x-4 Find f(10)	$f (x) = - x^{2} - 9 x - 4$ Find $f (10)$
47715	求解函数运算	f(x)=-x^2+x+14 Find f(2)	$f (x) = - x^{2} + x + 14$ Find $f (2)$
47716	求解函数运算	f(x)=3x^2-10x+4 Find f(-4)	$f (x) = 3 x^{2} - 10 x + 4$ Find $f (- 4)$
47717	求定义域	f(x)=(3x-1)/( -x^2+x+20) 的平方根	$f (x) = \frac{3 x - 1}{\sqrt{- x^{2} + x + 20}}$
47718	求出渐近线	f(x)=((3x-7)(x+2))/(3(x-10)(x+2))	$f (x) = \frac{(3 x - 7) (x + 2)}{3 (x - 10) (x + 2)}$
47719	求出渐近线	f(x)=(2(x-8))/((2x-3)(x-8))	$f (x) = \frac{2 (x - 8)}{(2 x - 3) (x - 8)}$
47720	求解函数运算	f(x)=-x^2-9x+20 find f(9)	$f (x) = - x^{2} - 9 x + 20$ find $f (9)$
47721	求解函数运算	f(x)=-x^2+5x-2 Find f(-4)	$f (x) = - x^{2} + 5 x - 2$ Find $f (- 4)$
47722	求出最大公因子（GCF）	21m^5n^2 and 28m^4n^2	$21 m^{5} n^{2}$ and $28 m^{4} n^{2}$
47723	求解函数运算	f(x)=2x^2-15 Find f(-2)	$f (x) = 2 x^{2} - 15$ Find $f (- 2)$
47724	求出顶点	h(a)=6a^2+16	$h (a) = 6 a^{2} + 16$
47725	求出顶点	f(x)=a\|x-h\|+k	$f (x) = a \| x - h \| + k$
47726	求解函数运算	f(x)=-x^2-10 Find f(-4)	$f (x) = - x^{2} - 10$ Find $f (- 4)$
47727	求斜率	(2,-7) and (-1,6)	$(2, - 7)$ and $(- 1, 6)$
47728	求斜率	(4,2) and (5,4)	$(4, 2)$ and $(5, 4)$
47729	求出渐近线	f(x)=(x(2+x))/(2x-x^2)	$f (x) = \frac{x (2 + x)}{2 x - x^{2}}$
47730	求解函数运算	f(x)=3x^2-3x+1 Find f(-2)	$f (x) = 3 x^{2} - 3 x + 1$ Find $f (- 2)$
47731	求解函数运算	f(x)=-x^2+6x+19 Find f(5)	$f (x) = - x^{2} + 6 x + 19$ Find $f (5)$
47732	求出渐近线	h(x)=(-x^2+5x-2)/(x^2+x)	$h (x) = \frac{- x^{2} + 5 x - 2}{x^{2} + x}$
47733	求斜率	(-9,6) and (-6,-9)	$(- 9, 6)$ and $(- 6, - 9)$
47734	求解函数运算	f(x)=4x^2-4x Find f(-7)	$f (x) = 4 x^{2} - 4 x$ Find $f (- 7)$
47735	求解函数运算	f(x)=-x^2+19 Find f(3)	$f (x) = - x^{2} + 19$ Find $f (3)$
47736	求解函数运算	f(x)=3x^2+6x-18 Find f(10)	$f (x) = 3 x^{2} + 6 x - 18$ Find $f (10)$
47737	求解函数运算	f(x)=-3x^2-7x Find f(7)	$f (x) = - 3 x^{2} - 7 x$ Find $f (7)$
47738	求出渐近线	f(x)=(3(5x-7))/(2(x+10)(x-10))	$f (x) = \frac{3 (5 x - 7)}{2 (x + 10) (x - 10)}$
47739	求解函数运算	f(x) = x+6 ; find f^-1(x) 的 4 次方根	$f (x) = \sqrt[4]{x} + 6$ ; find $f^{- 1} (x)$
47740	求解函数运算	(f+g)(3)	$(f + g) (3)$
47741	求出渐近线	F(x)=5/(3x(x+1)(x-7))	$F (x) = \frac{5}{3 x (x + 1) (x - 7)}$
47742	求解函数运算	f(x)=-3x^2 Find f(-2)	$f (x) = - 3 x^{2}$ Find $f (- 2)$
47743	求出渐近线	y=(4x+4)/(2x^2+12x-12)	$y = \frac{4 x + 4}{2 x^{2} + 12 x - 12}$
47744	求解函数运算	f(x)=2x^2 Find f(-6)	$f (x) = 2 x^{2}$ Find $f (- 6)$
47745	求解函数运算	f(x)=-x^2+6x+9 Find f(1)	$f (x) = - x^{2} + 6 x + 9$ Find $f (1)$
47746	求出渐近线	f(x)=(2x(x-8))/(3(x-8))	$f (x) = \frac{2 x (x - 8)}{3 (x - 8)}$
47747	求出渐近线	f(x)=(3(x+4)(x-4))/(x(2x-1))	$f (x) = \frac{3 (x + 4) (x - 4)}{x (2 x - 1)}$
47748	求出渐近线	f(x)=(3x(5x+4))/((5x-3)(x+2))	$f (x) = \frac{3 x (5 x + 4)}{(5 x - 3) (x + 2)}$
47749	求解函数运算	f(x)=-x^2+x+13 Find f(9)	$f (x) = - x^{2} + x + 13$ Find $f (9)$
47750	判断是否为奇、偶或非奇非偶	f(x)=x x^2-1 的平方根	$f (x) = x \sqrt{x^{2} - 1}$
47751	求定义域	f(x)=(x-2)/( x^2+9x+18) 的平方根	$f (x) = \frac{x - 2}{\sqrt{x^{2} + 9 x + 18}}$
47752	求解函数运算	f(x)=2x^2 Find f(-3)	$f (x) = 2 x^{2}$ Find $f (- 3)$
47753	求出渐近线	y = cube root of x	$y = \sqrt[3]{x}$
47754	求出渐近线	f(x)=4/3(3)^x	$f (x) = \frac{4}{3} {(3)}^{x}$
47755	求定义域	-3(1-5x) 的平方根	$\sqrt{- 3 (1 - 5 x)}$
47756	求出渐近线	f(x)=(2(3x-10))/(3(5x+9))	$f (x) = \frac{2 (3 x - 10)}{3 (5 x + 9)}$
47757	判断是否为奇、偶或非奇非偶	f(x)=5x^6-3x^4+3x^2-x	$f (x) = 5 x^{6} - 3 x^{4} + 3 x^{2} - x$
47758	求解函数运算	f(x)=-4x^2-x-3 Find f(1)	$f (x) = - 4 x^{2} - x - 3$ Find $f (1)$
47759	求定义域	f(x)=1/(x+7)+3/(x-9)	$f (x) = \frac{1}{x + 7} + \frac{3}{x - 9}$
47760	求出最大公因子（GCF）	8 and 12	$8$ and $12$
47761	求解函数运算	f(x)=3x^2-4x Find f(-1)	$f (x) = 3 x^{2} - 4 x$ Find $f (- 1)$
47762	求出渐近线	R(x)=(x^2)/(x^2-x-6)	$R (x) = \frac{x^{2}}{x^{2} - x - 6}$
47763	求出渐近线	(2x-1)/(x^2+1)	$\frac{2 x - 1}{x^{2} + 1}$
47764	求斜率	(6,9) and (7,1)	$(6, 9)$ and $(7, 1)$
47765	求斜率	(2,3) and (3,5)	$(2, 3)$ and $(3, 5)$
47766	求解函数运算	h(n)=-2n^2+4 ; Find h(4)	$h (n) = - 2 n^{2} + 4$ ; Find $h (4)$
47767	求出渐近线	f(x)=(2(x+6)(x+1))/((2x-5)(x+1))	$f (x) = \frac{2 (x + 6) (x + 1)}{(2 x - 5) (x + 1)}$
47768	求出渐近线	R(x)=(x^2-9)/(x^2+3x-10)	$R (x) = \frac{x^{2} - 9}{x^{2} + 3 x - 10}$
47769	求出渐近线	f(x)=(x^3)/((x-1)^2)	$f (x) = \frac{x^{3}}{{(x - 1)}^{2}}$
47770	求解函数运算	f(x)=-x^2-3x Find f(10)	$f (x) = - x^{2} - 3 x$ Find $f (10)$
47771	求解函数运算	f(x)=-x^2 Find f(-6)	$f (x) = - x^{2}$ Find $f (- 6)$
47772	求解函数运算	f(x)=(x+4)^(1/4) ; find f^-1(x)	$f (x) = {(x + 4)}^{\frac{1}{4}}$ ; find $f^{- 1} (x)$
47773	求出渐近线	f(x)=(x-8)/(3(x-9)(x-8))	$f (x) = \frac{x - 8}{3 (x - 9) (x - 8)}$
47774	求出渐近线	f(x)=2 x-2 的对数底数 3	$f (x) = 2 \log_{3} (x - 2)$
47775	求出渐近线	f(x)=(3(x-7)(x+7))/(2(x+7))	$f (x) = \frac{3 (x - 7) (x + 7)}{2 (x + 7)}$
47776	求出渐近线	f(x)=(2x(x+5))/(3(x+5))	$f (x) = \frac{2 x (x + 5)}{3 (x + 5)}$
47777	求斜率	(-6,4) and (-5,-10)	$(- 6, 4)$ and $(- 5, - 10)$
47778	求出渐近线	f(x)=((2x+1)(x-2))/(x(2x+1))	$f (x) = \frac{(2 x + 1) (x - 2)}{x (2 x + 1)}$
47779	求定义域	f(x) = square root of x-4/x	$f (x) = \sqrt{x - \frac{4}{x}}$
47780	求出渐近线	3/(x+2)+1	$\frac{3}{x + 2} + 1$
47781	求出渐近线	r(x)=(x^2+8x-9)/(x^2+3x-4)	$r (x) = \frac{x^{2} + 8 x - 9}{x^{2} + 3 x - 4}$
47782	求解函数运算	f(x)=-x^2 Find f(-5)	$f (x) = - x^{2}$ Find $f (- 5)$
47783	求解函数运算	f(x)=-x^2-12 Find f(-3)	$f (x) = - x^{2} - 12$ Find $f (- 3)$
47784	求出渐近线	f(x)=x/(x^2+6x)	$f (x) = \frac{x}{x^{2} + 6 x}$
47785	求解函数运算	f(x)=-x^2-20 Find f(9)	$f (x) = - x^{2} - 20$ Find $f (9)$
47786	求定义域	f(x)=1/( x^2-9) 的平方根	$f (x) = \frac{1}{\sqrt{x^{2} - 9}}$
47787	求出渐近线	f(x)=(3(2x-9))/(5x-3)	$f (x) = \frac{3 (2 x - 9)}{5 x - 3}$
47788	求出渐近线	f(x)=(x^3-6x^2+8x)/(x^2-2x-8)	$f (x) = \frac{x^{3} - 6 x^{2} + 8 x}{x^{2} - 2 x - 8}$
47789	求定义域	(x^2)/( 1-x^2) 的平方根	$\frac{x^{2}}{\sqrt{1 - x^{2}}}$
47790	使用部分分式分解法进行分解	(5x^2-4x-12)/(2x^3+6x^2+4x)	$\frac{5 x^{2} - 4 x - 12}{2 x^{3} + 6 x^{2} + 4 x}$
47791	求出渐近线	f(x)=(x^2+x-12)/(x-3)	$f (x) = \frac{x^{2} + x - 12}{x - 3}$
47792	判断是否为奇、偶或非奇非偶	f(x)=1/(x^3)	$f (x) = \frac{1}{x^{3}}$
47793	求解函数运算	f(x)=3x-5 ; find f(2)	$f (x) = 3 x - 5$ ; find $f (2)$
47794	求斜率	(2,8) and (9,-10)	$(2, 8)$ and $(9, - 10)$
47795	求解函数运算	f(x)=-x^2+6 Find f(-3)	$f (x) = - x^{2} + 6$ Find $f (- 3)$
47796	判断是否为奇、偶或非奇非偶	g(x)=x^4+x^2	$g (x) = x^{4} + x^{2}$
47797	求出渐近线	f(x)=(3x(3x-5))/((x+5)(x+9))	$f (x) = \frac{3 x (3 x - 5)}{(x + 5) (x + 9)}$
47798	求出渐近线	f(x)=-2((1^x)/3)	$f (x) = - 2 (\frac{1^{x}}{3})$
47799	求出渐近线	f(x)=((3x+5)(x+9))/(2(3x+5))	$f (x) = \frac{(3 x + 5) (x + 9)}{2 (3 x + 5)}$
47800	求斜率	(-2,4) and (1,6)	$(- 2, 4)$ and $(1, 6)$