Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
28001	Find Where Undefined/Discontinuous	(x^2-4x+4)/(4x-8)	$\frac{x^{2} - 4 x + 4}{4 x - 8}$
28002	Find Where Undefined/Discontinuous	(x^2-9)/(2x^2-3x-9)	$\frac{x^{2} - 9}{2 x^{2} - 3 x - 9}$
28003	Find Where Undefined/Discontinuous	(x^2-9x+20)/(x^2-6x+5)	$\frac{x^{2} - 9 x + 20}{x^{2} - 6 x + 5}$
28004	Find Where Undefined/Discontinuous	(x^2-x-20)/(x^2-14x-48)	$\frac{x^{2} - x - 20}{x^{2} - 14 x - 48}$
28005	Find Where Undefined/Discontinuous	(x^2-x-6)/(x^2-4)	$\frac{x^{2} - x - 6}{x^{2} - 4}$
28006	Find Where Undefined/Discontinuous	f(x)=215sin(pi/6x-pi/2)+390	$f (x) = 215 \sin (\frac{π}{6} x - \frac{π}{2}) + 390$
28007	Find Where Undefined/Discontinuous	f(x)=-2cos(7x)	$f (x) = - 2 \cos (7 x)$
28008	Find Where Undefined/Discontinuous	f(x)=-2cos(x+(pi/2))	$f (x) = - 2 \cos (x + (\frac{π}{2}))$
28009	Find Where Undefined/Discontinuous	f(x)=2csc(x+pi/4)-1	$f (x) = 2 \csc (x + \frac{π}{4}) - 1$
28010	Find Where Undefined/Discontinuous	f(x)=2x-5	$f (x) = 2 x - 5$
28011	Find Where Undefined/Discontinuous	f(x)=-3csc(4x)	$f (x) = - 3 \csc (4 x)$
28012	Find Where Undefined/Discontinuous	f(x)=3sin(2x-1)+4	$f (x) = 3 \sin (2 x - 1) + 4$
28013	Find Where Undefined/Discontinuous	f(x)=-3x-12x-8	$f (x) = - 3 x - 12 x - 8$
28014	Find Where Undefined/Discontinuous	f(x)=4cos(x)g(x)=cos(x)	$f (x) = 4 \cos (x) g (x) = \cos (x)$
28015	Find Where Undefined/Discontinuous	f(x)=4cot(x)	$f (x) = 4 \cot (x)$
28016	Find Where Undefined/Discontinuous	f(x)=4sin(x)	$f (x) = 4 \sin (x)$
28017	Find Where Undefined/Discontinuous	f(x)=5sin(2x+3/4)	$f (x) = 5 \sin (2 x + \frac{3}{4})$
28018	Find Where Undefined/Discontinuous	f(x)=7x^2-2x+1	$f (x) = 7 x^{2} - 2 x + 1$
28019	Find Where Undefined/Discontinuous	f(x)=-7cos(6x)	$f (x) = - 7 \cos (6 x)$
28020	Find Where Undefined/Discontinuous	f(x)=-7csc(1/3x+pi/12)	$f (x) = - 7 \csc (\frac{1}{3} x + \frac{π}{12})$
28021	Find Where Undefined/Discontinuous	f(x)=8x-1	$f (x) = 8 x - 1$
28022	Find Where Undefined/Discontinuous	f(x)=950(0.605)^(x/2)	$f (x) = 950 {(0.605)}^{\frac{x}{2}}$
28023	Find Where Undefined/Discontinuous	f(x)=arcsin(x)	$f (x) = \arcsin (x)$
28024	Find Where Undefined/Discontinuous	f(x)=cos(x)csc(x)	$f (x) = \cos (x) \csc (x)$
28025	Find Where Undefined/Discontinuous	f(x)=sec(x)+tan(x)	$f (x) = \sec (x) + \tan (x)$
28026	Find Where Undefined/Discontinuous	y=-sin(x)+cos(x)	$y = - \sin (x) + \cos (x)$
28027	Find Where Undefined/Discontinuous	y=sin(x-3.14/2)	$y = \sin (x - \frac{3.14}{2})$
28028	Find Where Undefined/Discontinuous	y=tan(2x)+2	$y = \tan (2 x) + 2$
28029	Find Where Undefined/Discontinuous	y=tan(5-sin(2x)^2)	$y = \tan (5 - \sin^{2} (2 x))$
28030	Find Where Undefined/Discontinuous	cot(x)=-cos(x)	$\cot (x) = - \cos (x)$
28031	Find Where Undefined/Discontinuous	y=2tan(1/2x-3pi)	$y = 2 \tan (\frac{1}{2} x - 3 π)$
28032	Find Where Undefined/Discontinuous	y=2tan(x)	$y = 2 \tan (x)$
28033	Find Where Undefined/Discontinuous	y=2x+3	$y = 2 x + 3$
28034	Find Where Undefined/Discontinuous	y = log base 5 of x+1	$y = \log_{5} (x) + 1$
28035	Find Where Undefined/Discontinuous	f(x)=x^(2-4x+20)	$f (x) = x^{2 - 4 x + 20}$
28036	Find Where Undefined/Discontinuous	f(x)=x^3-4x^2-4x+16	$f (x) = x^{3} - 4 x^{2} - 4 x + 16$
28037	Find Where Undefined/Discontinuous	f(x)=x^5-8x^3+20x	$f (x) = x^{5} - 8 x^{3} + 20 x$
28038	Find Where Undefined/Discontinuous	f(x)=(x-1)/(sin(2x))	$f (x) = \frac{x - 1}{\sin (2 x)}$
28039	Find Where Undefined/Discontinuous	f(x)=17-6x	$f (x) = 17 - 6 x$
28040	Find Where Undefined/Discontinuous	f(x)=-19+37e^(-0.025x)	$f (x) = - 19 + 37 e^{- 0.025 x}$
28041	Find Where Undefined/Discontinuous	f(x)=2x^2+3x-4	$f (x) = 2 x^{2} + 3 x - 4$
28042	Find Where Undefined/Discontinuous	y=sin(1/2x)	$y = \sin (\frac{1}{2} x)$
28043	Find Where Undefined/Discontinuous	y=sin(4x+pi)	$y = \sin (4 x + π)$
28044	Find Where Undefined/Discontinuous	y=tg(x+pi/6)+2	$y = t g (x + \frac{π}{6}) + 2$
28045	Find Where Undefined/Discontinuous	z=8-3i	$z = 8 - 3 i$
28046	Find Where Undefined/Discontinuous	f(g)=4/((7x+ square root of 6)^6)	$f (g) = \frac{4}{{(7 x + \sqrt{6})}^{6}}$
28047	Find Where Undefined/Discontinuous	f(t)=(cos(t))/t	$f (t) = \frac{\cos (t)}{t}$
28048	Find Where Undefined/Discontinuous	f(t)=1400(1.12)^t	$f (t) = 1400 {(1.12)}^{t}$
28049	Find Where Undefined/Discontinuous	f(t)=5csc(3t-pi/6)	$f (t) = 5 \csc (3 t - \frac{π}{6})$
28050	Find Where Undefined/Discontinuous	f(x)=(8-2x)^2	$f (x) = {(8 - 2 x)}^{2}$
28051	Find Where Undefined/Discontinuous	f(x)=( square root of 4x-3)/(x^2-4)	$f (x) = \frac{\sqrt{4 x - 3}}{x^{2} - 4}$
28052	Find Where Undefined/Discontinuous	f(x)=(x^2-25)/(2x^2-5x-7)	$f (x) = \frac{x^{2} - 25}{2 x^{2} - 5 x - 7}$
28053	Find Where Undefined/Discontinuous	f(x)=(x^2-4)/(x^2-4x-12)	$f (x) = \frac{x^{2} - 4}{x^{2} - 4 x - 12}$
28054	Find Where Undefined/Discontinuous	f(x)=(x^2-9)/(x-7)	$f (x) = \frac{x^{2} - 9}{x - 7}$
28055	Find Where Undefined/Discontinuous	f(x)=(x^2-x-12)/(x^2-2x-8)	$f (x) = \frac{x^{2} - x - 12}{x^{2} - 2 x - 8}$
28056	Find Where Undefined/Discontinuous	f(x)=1/(5x-2)	$f (x) = \frac{1}{5 x - 2}$
28057	Find Where Undefined/Discontinuous	f(x)=1/x+sin(x^2)-cos(x)	$f (x) = \frac{1}{x} + \sin (x^{2}) - \cos (x)$
28058	Find Where Undefined/Discontinuous	f(x)=12.57/(1+4.11e^(-0.026x))	$f (x) = \frac{12.57}{1 + 4.11 e^{- 0.026 x}}$
28059	Find Where Undefined/Discontinuous	f(x)=2^(-x)sin(3x)	$f (x) = 2^{- x} \sin (3 x)$
28060	Find Where Undefined/Discontinuous	f(x)=(2x+1)/(3x-5)*(f(0))	$f (x) = \frac{2 x + 1}{3 x - 5} \cdot (f (0))$
28061	Find Where Undefined/Discontinuous	f(x)=(5x+4)/(9x-8)	$f (x) = \frac{5 x + 4}{9 x - 8}$
28062	Find Where Undefined/Discontinuous	f(x)=(7x^3-5x-3)/(8x+9)	$f (x) = \frac{7 x^{3} - 5 x - 3}{8 x + 9}$
28063	Find Where Undefined/Discontinuous	f(x)=sin(2x-3)^2	$f (x) = \sin^{2} (2 x - 3)$
28064	Find Where Undefined/Discontinuous	f(x)=sin(x)^2	$f (x) = \sin^{2} (x)$
28065	Find Where Undefined/Discontinuous	f(x)=x^2	$f (x) = x^{2}$
28066	Graph	y=tan(x+pi/6)	$y = \tan (x + \frac{π}{6})$
28067	Find Where Undefined/Discontinuous	f(x)=x^2+7	$f (x) = x^{2} + 7$
28068	Find Where Undefined/Discontinuous	f(x)=-x^2+8x-13	$f (x) = - x^{2} + 8 x - 13$
28069	Find Where Undefined/Discontinuous	f(x)=x^2-14x+48	$f (x) = x^{2} - 14 x + 48$
28070	Determine the Types of the Numbers	15 , 20 , 25	$15$ , $20$ , $25$
28071	Determine the Types of the Numbers	15 , 49 , 53	$15$ , $49$ , $53$
28072	Determine the Types of the Numbers	15 , 5	$15$ , $5$
28073	Determine the Types of the Numbers	15 , 500*(1+0.7)^4	$15$ , $500 \cdot {(1 + 0.7)}^{4}$
28074	Determine the Types of the Numbers	15 , 520 , 0	$15$ , $520$ , $0$
28075	Determine the Types of the Numbers	15.8 , 20.7 , 25.6 , 30.5 , 35.4	$15.8$ , $20.7$ , $25.6$ , $30.5$ , $35.4$
28076	Determine the Types of the Numbers	16 , -4 , 1-1/4	$16$ , $- 4$ , $1 - \frac{1}{4}$
28077	Determine the Types of the Numbers	17 , 20 , 17 , 17 , 18 , 10 , 16	$17$ , $20$ , $17$ , $17$ , $18$ , $10$ , $16$
28078	Determine the Types of the Numbers	18 , 1/2 , 1/20	$18$ , $\frac{1}{2}$ , $\frac{1}{20}$
28079	Determine the Types of the Numbers	18 , 20 , 29 , 16 , 17 , 18 , 21 , 17 , 19 , 26	$18$ , $20$ , $29$ , $16$ , $17$ , $18$ , $21$ , $17$ , $19$ , $26$
28080	Determine the Types of the Numbers	-18 , 25-8	$- 18$ , $25 - 8$
28081	Determine the Types of the Numbers	186 , 188 , 181 , 192 , 178 , 197 , 152	$186$ , $188$ , $181$ , $192$ , $178$ , $197$ , $152$
28082	Determine the Types of the Numbers	-19 , -22 , -25 , -28	$- 19$ , $- 22$ , $- 25$ , $- 28$
28083	Determine the Types of the Numbers	190 , 0	$190$ , $0$
28084	Determine the Types of the Numbers	2 , -6 , 18 , -54 , 162	$2$ , $- 6$ , $18$ , $- 54$ , $162$
28085	Determine the Types of the Numbers	-2 , square root of -2	$- 2$ , $\sqrt{- 2}$
28086	Determine the Types of the Numbers	2 , 1 , 0.5 , 0.25	$2$ , $1$ , $0.5$ , $0.25$
28087	Determine the Types of the Numbers	2 , 275(1+0.044)^5	$2$ , $275 {(1 + 0.044)}^{5}$
28088	Determine the Types of the Numbers	-2 , 3	$- 2$ , $3$
28089	Determine the Types of the Numbers	2 , 4 , 3	$2$ , $4$ , $3$
28090	Determine the Types of the Numbers	-2 , 5	$- 2$ , $5$
28091	Determine the Types of the Numbers	2.9 , 2.7 , 2.5 , 2.3	$2.9$ , $2.7$ , $2.5$ , $2.3$
28092	Determine the Types of the Numbers	20 , 0(1+0.06)^1.10	$20$ , $0 {(1 + 0.06)}^{1.1}$
28093	Determine the Types of the Numbers	21 , 0 , 0 , 0	$21$ , $0$ , $0$ , $0$
28094	Determine the Types of the Numbers	21 , 6 , 8	$21$ , $6$ , $8$
28095	Determine the Types of the Numbers	22 , 19 , 16 , 13	$22$ , $19$ , $16$ , $13$
28096	Determine the Types of the Numbers	23 , 10 , 11 , 24 , 32 , 15 , 13 , 16	$23$ , $10$ , $11$ , $24$ , $32$ , $15$ , $13$ , $16$
28097	Determine the Types of the Numbers	24 , 0	$24$ , $0$
28098	Determine the Types of the Numbers	24.9 , 27.6 , 27.5 , 22.6 , 44.9 , 37.2 , 25.6 , 25.3 , 22.7 , 34.3	$24.9$ , $27.6$ , $27.5$ , $22.6$ , $44.9$ , $37.2$ , $25.6$ , $25.3$ , $22.7$ , $34.3$
28099	Determine the Types of the Numbers	260 , 0 , 0 , 0	$260$ , $0$ , $0$ , $0$
28100	Determine the Types of the Numbers	27 , -9 , 3 , -1	$27$ , $- 9$ , $3$ , $- 1$