Mathway | 热门问题

热门问题

等级	主题	问题	格式化的问题
47601	求解函数运算	f(x)=2x^2-10x+13 Find f(-4)	$f (x) = 2 x^{2} - 10 x + 13$ Find $f (- 4)$
47602	求出渐近线	f(x)=(3(x-8))/((3x-10)(x-8))	$f (x) = \frac{3 (x - 8)}{(3 x - 10) (x - 8)}$
47603	求定义域	f(x) = square root of ((x-2)(x+5))/(x+2)	$f (x) = \sqrt{\frac{(x - 2) (x + 5)}{x + 2}}$
47604	求斜率	m=(y_2-y_1)/(x_2-x_1)	$m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}$
47605	求出渐近线	f(x)=(x^2+1)/(x^3+2)	$f (x) = \frac{x^{2} + 1}{x^{3} + 2}$
47606	求出平均变化率	g(x)=-(x^2)/4+7	$g (x) = - \frac{x^{2}}{4} + 7$
47607	求解函数运算	f(x)=3x^2-x Find f(10)	$f (x) = 3 x^{2} - x$ Find $f (10)$
47608	求斜率	2x+1/2y=-3	$2 x + \frac{1}{2} y = - 3$
47609	求解函数运算	f(x)=-x^2+x Find f(-1)	$f (x) = - x^{2} + x$ Find $f (- 1)$
47610	求解函数运算	f(x)=4x^2-7x+7 Find f(7)	$f (x) = 4 x^{2} - 7 x + 7$ Find $f (7)$
47611	求定义域	f(x)=( 4-x^2)/( 的平方根 1-x^2) 的平方根	$f (x) = \frac{\sqrt{4 - x^{2}}}{\sqrt{1 - x^{2}}}$
47612	求解函数运算	f(x)=-x^2-10x+16 Find f(-7)	$f (x) = - x^{2} - 10 x + 16$ Find $f (- 7)$
47613	求解函数运算	f(x)=-x^2-4x+13 Find f(3)	$f (x) = - x^{2} - 4 x + 13$ Find $f (3)$
47614	求出渐近线	f(x)=(x^2+x-6)/(x-2)	$f (x) = \frac{x^{2} + x - 6}{x - 2}$
47615	求解函数运算	f(x)=-4x^2+19 Find f(-7)	$f (x) = - 4 x^{2} + 19$ Find $f (- 7)$
47616	求解函数运算	f(x)=-3x^2-6x+1 Find f(8)	$f (x) = - 3 x^{2} - 6 x + 1$ Find $f (8)$
47617	求解函数运算	f(x)=4x^2+7x+18 Find f(-9)	$f (x) = 4 x^{2} + 7 x + 18$ Find $f (- 9)$
47618	求出最大公因子（GCF）	m^7n^4p^3 and mn^12p^5	$m^{7} n^{4} p^{3}$ and $m n^{12} p^{5}$
47619	求定义域	f(x)=3/(x+2)+1	$f (x) = \frac{3}{x + 2} + 1$
47620	求定义域	f(x)=(x+9)/( -x^2-3x+4) 的平方根	$f (x) = \frac{x + 9}{\sqrt{- x^{2} - 3 x + 4}}$
47621	计算函数值	(7,5)	$(7, 5)$
47622	求出最大公因子（GCF）	12 and 30	$12$ and $30$
47623	求定义域	f(x)=(cos(x))/(1-sin(x))	$f (x) = \frac{\cos (x)}{1 - \sin (x)}$
47624	求出顶点	f(x)=-1/2(x+2)^2-3	$f (x) = - \frac{1}{2} {(x + 2)}^{2} - 3$
47625	求解函数运算	f(x)=-2x^2-2x+10 Find f(2)	$f (x) = - 2 x^{2} - 2 x + 10$ Find $f (2)$
47626	求斜率	(-1,8) and (3,-4)	$(- 1, 8)$ and $(3, - 4)$
47627	求解函数运算	f(x)=4x^2-10x+2 Find f(-7)	$f (x) = 4 x^{2} - 10 x + 2$ Find $f (- 7)$
47628	求定义域	( x)/(x+1) 的平方根	$\frac{\sqrt{x}}{x + 1}$
47629	求定义域	domain of (4x+2)/(5-x)	domain of $\frac{(4 x + 2)}{5 - x}$
47630	求解函数运算	g(x)=-x-2 ; find g(3)	$g (x) = - x - 2$ ; find $g (3)$
47631	求解函数运算	f(x)=-x^2+6 Find f(-1)	$f (x) = - x^{2} + 6$ Find $f (- 1)$
47632	求斜率	(4,-3) and (8,-3)	$(4, - 3)$ and $(8, - 3)$
47633	求出渐近线	f(x)=(2x(x+5))/((3x-2)(x+4))	$f (x) = \frac{2 x (x + 5)}{(3 x - 2) (x + 4)}$
47634	求出渐近线	f(x)=(x^2+x-20)/(2x^2+10x)	$f (x) = \frac{x^{2} + x - 20}{2 x^{2} + 10 x}$
47635	求出渐近线	f(x)=(4x-5)/(6-5x)	$f (x) = \frac{4 x - 5}{6 - 5 x}$
47636	求解函数运算	f(x)=2x^2+9x Find f(10)	$f (x) = 2 x^{2} + 9 x$ Find $f (10)$
47637	求出顶点	y=-1/8(x-4)^2	$y = - \frac{1}{8} {(x - 4)}^{2}$
47638	求解函数运算	f(x)=2x^2-7x-6 Find f(6)	$f (x) = 2 x^{2} - 7 x - 6$ Find $f (6)$
47639	求解函数运算	f(x)=-x^2+10x-6 Find f(-5)	$f (x) = - x^{2} + 10 x - 6$ Find $f (- 5)$
47640	求出顶点	9y^2-16x^2=144	$9 y^{2} - 16 x^{2} = 144$
47641	求出渐近线	f(x)=(x^2-x-2)/((x^2-1)(x^2-16))	$f (x) = \frac{x^{2} - x - 2}{(x^{2} - 1) (x^{2} - 16)}$
47642	求解函数运算	f(x)=-x^2+6x+4 Find f(-7)	$f (x) = - x^{2} + 6 x + 4$ Find $f (- 7)$
47643	求解函数运算	f(x)=(x-7)/7 ; find f^-1(x)	$f (x) = \frac{x - 7}{7}$ ; find $f^{- 1} (x)$
47644	求解函数运算	f(x)=2x^2+x-4 Find f(-10)	$f (x) = 2 x^{2} + x - 4$ Find $f (- 10)$
47645	求出平均变化率	h(x)=x^2-1	$h (x) = x^{2} - 1$
47646	求定义域	f(x)=(3x-3)/( -x^2+2x+15) 的平方根	$f (x) = \frac{3 x - 3}{\sqrt{- x^{2} + 2 x + 15}}$
47647	求解函数运算	f(x)=2x^2+8x Find f(-1)	$f (x) = 2 x^{2} + 8 x$ Find $f (- 1)$
47648	求解函数运算	f(x)=-3x^2+9x-8 Find f(5)	$f (x) = - 3 x^{2} + 9 x - 8$ Find $f (5)$
47649	求定义域	f(x)=(2x+9)/( x^2+6x-16) 的平方根	$f (x) = \frac{2 x + 9}{\sqrt{x^{2} + 6 x - 16}}$
47650	求解函数运算	f(x)=-4x^2+5x find f(6)	$f (x) = - 4 x^{2} + 5 x$ find $f (6)$
47651	求出顶点	x^2=4(y-2)	$x^{2} = 4 (y - 2)$
47652	求解函数运算	f(x)=-2x^2+6x+1 Find f(-6)	$f (x) = - 2 x^{2} + 6 x + 1$ Find $f (- 6)$
47653	求出渐近线	f(x)=(3(3x-10)(x-10))/(2(x+6)(x-1))	$f (x) = \frac{3 (3 x - 10) (x - 10)}{2 (x + 6) (x - 1)}$
47654	求解函数运算	Solve the equation x^3-5x^2+2x+8=0 given that -1 is a zero of f(x)=x^3-5x^2+2x+8	Solve the equation $x^{3} - 5 x^{2} + 2 x + 8 = 0$ given that $- 1$ is a zero of $f (x) = x^{3} - 5 x^{2} + 2 x + 8$
47655	求出渐近线	f(x)=(25-x^2)/(x^2-4x-5)	$f (x) = \frac{25 - x^{2}}{x^{2} - 4 x - 5}$
47656	求出顶点	y=ax^2+c	$y = a x^{2} + c$
47657	求解函数运算	f(x)=4x^2+19 Find f(-5)	$f (x) = 4 x^{2} + 19$ Find $f (- 5)$
47658	求解函数运算	f(x)=-3x^2-20 Find f(-7)	$f (x) = - 3 x^{2} - 20$ Find $f (- 7)$
47659	求定义域	(x+3)/(x-1)+(2x-1)/(1-x)=(x-1)/(x+1)	$\frac{x + 3}{x - 1} + \frac{2 x - 1}{1 - x} = \frac{x - 1}{x + 1}$
47660	求定义域	f(x) = 5-x+3 的平方根 x-1 的平方根	$f (x) = \sqrt{5 - x} + 3 \sqrt{x - 1}$
47661	求解函数运算	f(x)=-x^2+8x Find f(-7)	$f (x) = - x^{2} + 8 x$ Find $f (- 7)$
47662	求解函数运算	f(x)=-x^2+9x+4 Find f(-8)	$f (x) = - x^{2} + 9 x + 4$ Find $f (- 8)$
47663	求定义域	f(x)=2x , g(x)=3x^2+6 , g(f(2))	$f (x) = 2 x$ , $g (x) = 3 x^{2} + 6$ , $g (f (2))$
47664	求出渐近线	f(x)=(4x-8)/((x-4)(x+1))	$f (x) = \frac{4 x - 8}{(x - 4) (x + 1)}$
47665	求解函数运算	f(x)=-x^2-14 Find f(9)	$f (x) = - x^{2} - 14$ Find $f (9)$
47666	求解函数运算	f(x)=-3x^2+3x+7 Find f(8)	$f (x) = - 3 x^{2} + 3 x + 7$ Find $f (8)$
47667	求解函数运算	8÷2(2+2)	$8 \div 2 (2 + 2)$
47668	求解函数运算	f(x)=3x^2-10x-9 Find f(4)	$f (x) = 3 x^{2} - 10 x - 9$ Find $f (4)$
47669	求解函数运算	f(x)=4x^2+3x+13 Find f(1)	$f (x) = 4 x^{2} + 3 x + 13$ Find $f (1)$
47670	求解函数运算	f(x)=-x^2+3 Find f(-2)	$f (x) = - x^{2} + 3$ Find $f (- 2)$
47671	求定义域	p(x) = square root of 2/(x-1)	$p (x) = \sqrt{\frac{2}{x - 1}}$
47672	求解函数运算	f(x)=-x^2-9x-7 Find f(3)	$f (x) = - x^{2} - 9 x - 7$ Find $f (3)$
47673	求解函数运算	f(x)=-2x^2+7 Find f(-5)	$f (x) = - 2 x^{2} + 7$ Find $f (- 5)$
47674	求解函数运算	f(x)=-4x^2+4x-4 Find f(3)	$f (x) = - 4 x^{2} + 4 x - 4$ Find $f (3)$
47675	求解函数运算	f(x)=4x^2-7x+12 Find f(6)	$f (x) = 4 x^{2} - 7 x + 12$ Find $f (6)$
47676	求定义域	F(x)=5/(x-6)	$F (x) = \frac{5}{x - 6}$
47677	求解函数运算	f(n) = 5n-231 ; find f(-5) 的 4 次方根	$f (n) = \sqrt[4]{5 n - 231}$ ; find $f (- 5)$
47678	求解函数运算	f(x)=-x^2-10x Find f(-5)	$f (x) = - x^{2} - 10 x$ Find $f (- 5)$
47679	求出最大公因子（GCF）	27 and 45	$27$ and $45$
47680	求解函数运算	f(x)=-4x^2+10 Find f(-2)	$f (x) = - 4 x^{2} + 10$ Find $f (- 2)$
47681	求解函数运算	f(x)=2x^2-x+9 Find f(4)	$f (x) = 2 x^{2} - x + 9$ Find $f (4)$
47682	求定义域	f(x)=(x+1)/(2-x)	$f (x) = \frac{x + 1}{2 - x}$
47683	求出渐近线	f(x)=(x-4)/(2(x-1)(x-4))	$f (x) = \frac{x - 4}{2 (x - 1) (x - 4)}$
47684	求出顶点	f(x)=-(x^2+2x-3)	$f (x) = - (x^{2} + 2 x - 3)$
47685	求出渐近线	(3x^2+1)/(x^2+x+9)	$\frac{3 x^{2} + 1}{x^{2} + x + 9}$
47686	求解函数运算	f(x)=3x^2+x Find f(-5)	$f (x) = 3 x^{2} + x$ Find $f (- 5)$
47687	求解函数运算	f(x)=-3x^2-6x Find f(-9)	$f (x) = - 3 x^{2} - 6 x$ Find $f (- 9)$
47688	求出顶点	y=-\|x+1\|	$y = - \| x + 1 \|$
47689	求解函数运算	f(x)=-x^2-10x-13 Find f(-2)	$f (x) = - x^{2} - 10 x - 13$ Find $f (- 2)$
47690	求出渐近线	f(x)=(3(3x-8)(x-3))/(x(2x+5))	$f (x) = \frac{3 (3 x - 8) (x - 3)}{x (2 x + 5)}$
47691	求斜率	(14,-8) and (7,-6)	$(14, - 8)$ and $(7, - 6)$
47692	判断是否为奇、偶或非奇非偶	cot(x)	$\cot (x)$
47693	求出渐近线	f(x)=(x^2+x-6)/(-4x-8)	$f (x) = \frac{x^{2} + x - 6}{- 4 x - 8}$
47694	求出渐近线	((x-1)^2)/4+((y-1)^2)/12=1	$\frac{{(x - 1)}^{2}}{4} + \frac{{(y - 1)}^{2}}{12} = 1$
47695	求出渐近线	y=(2x^2+5x-3)/(x+3)	$y = \frac{2 x^{2} + 5 x - 3}{x + 3}$
47696	求解函数运算	f(x)=-x^2-9x Find f(-2)	$f (x) = - x^{2} - 9 x$ Find $f (- 2)$
47697	求斜率	(-4,-7) and (-4,-6)	$(- 4, - 7)$ and $(- 4, - 6)$
47698	求解函数运算	f(x)=4x^2+6x-2 Find f(-5)	$f (x) = 4 x^{2} + 6 x - 2$ Find $f (- 5)$
47699	求斜率	(3,2) and (4,7)	$(3, 2)$ and $(4, 7)$
47700	求差商	(3-2x+2x^2)-(4x-5+3x^2)	$(3 - 2 x + 2 x^{2}) - (4 x - 5 + 3 x^{2})$