Mathway | Popular Problems

Popular Problems

Rank	Topic	Problem	Formatted Problem
21201	Find the Inverse	-2x+6	$- 2 x + 6$
21202	Find the Inverse	9x+7	$9 x + 7$
21203	Find the Inverse	arcsin(3x)	$\arcsin (3 x)$
21204	Find the Inverse	cos(24/25)	$\cos (\frac{24}{25})$
21205	Find the Inverse	f(x)=1/(2x-8)	$f (x) = \frac{1}{2 x - 8}$
21206	Find the Inverse	cube root of x+5	$\sqrt[3]{x + 5}$
21207	Find the Inverse	x/(x+1)	$\frac{x}{x + 1}$
21208	Find the Inverse	square root of x+1	$\sqrt{x} + 1$
21209	Find the Inverse	(x-1)/(x+2)	$\frac{x - 1}{x + 2}$
21210	Find the Inverse	x^3-4	$x^{3} - 4$
21211	Find the Inverse	(x+2)/(x-3)	$\frac{x + 2}{x - 3}$
21212	Simplify	square root of x^2-3	$\sqrt{x^{2} - 3}$
21213	Find the Inverse	(x+1)/(x-9)	$\frac{x + 1}{x - 9}$
21214	Find the Inverse	(6x)/(3x-5)	$\frac{6 x}{3 x - 5}$
21215	Determine the Types of the Numbers	(( square root of 11)/6,5/6)	$(\frac{\sqrt{11}}{6}, \frac{5}{6})$
21216	Find the Inverse	1/(11x+8)	$\frac{1}{11 x + 8}$
21217	Find the Inverse	1/(x-1)	$\frac{1}{x - 1}$
21218	Find Where Increasing/Decreasing	y=x^3-4x^2+x+4	$y = x^{3} - 4 x^{2} + x + 4$
21219	Find Where Increasing/Decreasing	y=x^2-10x+30	$y = x^{2} - 10 x + 30$
21220	Find Where Increasing/Decreasing	y=-(x-2)^2+9	$y = - {(x - 2)}^{2} + 9$
21221	Find Where Increasing/Decreasing	y=\|2x^2+x-6\|	$y = \| 2 x^{2} + x - 6 \|$
21222	Find Where Increasing/Decreasing	y=\|3x-6\|+4	$y = \| 3 x - 6 \| + 4$
21223	Find Where Increasing/Decreasing	y=2(x-4)^2+3	$y = 2 {(x - 4)}^{2} + 3$
21224	Find Where Increasing/Decreasing	y=x^4-2x^2	$y = x^{4} - 2 x^{2}$
21225	Evaluate Using Summation Formulas	sum from 1 to 20 of -4i+2	$\sum_{1}^{20} - 4 i + 2$
21226	Find Where Increasing/Decreasing	f(x) = square root of x^2-1	$f (x) = \sqrt{x^{2} - 1}$
21227	Find Where Increasing/Decreasing	f(x) = log of x+8	$f (x) = \log (x + 8)$
21228	Find Where Increasing/Decreasing	q(x)=-2 square root of x+3-2	$q (x) = - 2 \sqrt{x + 3} - 2$
21229	Find Where Increasing/Decreasing	f(x)=cos(x)	$f (x) = \cos (x)$
21230	Find Where Increasing/Decreasing	g(x)=1-(x-6)^2	$g (x) = 1 - {(x - 6)}^{2}$
21231	Find Where Increasing/Decreasing	g(x)=1-(x-7)^2	$g (x) = 1 - {(x - 7)}^{2}$
21232	Find Where Increasing/Decreasing	f(x)=2x^3-3x^2-36x	$f (x) = 2 x^{3} - 3 x^{2} - 36 x$
21233	Find Where Increasing/Decreasing	f(x)=3\|x+4\|-2	$f (x) = 3 \| x + 4 \| - 2$
21234	Find Where Increasing/Decreasing	f(x)=-3x^6(x+5)^3	$f (x) = - 3 x^{6} {(x + 5)}^{3}$
21235	Find Where Increasing/Decreasing	y=x^3	$y = x^{3}$
21236	Find Where Increasing/Decreasing	f(x)=sin(x)	$f (x) = \sin (x)$
21237	Evaluate Using Summation Formulas	sum from i=0 to 8 of 10^i	$\sum_{i = 0}^{8} 10^{i}$
21238	Evaluate Using Summation Formulas	sum from i=1 to 20 of -7i+1	$\sum_{i = 1}^{20} - 7 i + 1$
21239	Evaluate Using Summation Formulas	sum from i=1 to 30 of 5i+2	$\sum_{i = 1}^{30} 5 i + 2$
21240	Evaluate Using Summation Formulas	sum from i=3 to 6 of 3i-5	$\sum_{i = 3}^{6} 3 i - 5$
21241	Evaluate Using Summation Formulas	sum from i=3 to 7 of 5i^2	$\sum_{i = 3}^{7} 5 i^{2}$
21242	Evaluate Using Summation Formulas	sum from k=1 to 3 of k(k+5)	$\sum_{k = 1}^{3} k (k + 5)$
21243	Evaluate Using Summation Formulas	sum from k=1 to 30 of 2k-1	$\sum_{k = 1}^{30} 2 k - 1$
21244	Evaluate Using Summation Formulas	sum from i=1 to 3 of i(i+4)	$\sum_{i = 1}^{3} i (i + 4)$
21245	Evaluate Using Summation Formulas	sum from i=1 to 6 of 5i	$\sum_{i = 1}^{6} 5 i$
21246	Find Where Increasing/Decreasing	3x^2+12x+9	$3 x^{2} + 12 x + 9$
21247	Find Where Increasing/Decreasing	c(n)=-100+n^2	$c (n) = - 100 + n^{2}$
21248	Find Where Increasing/Decreasing	f(x)=\|x-4\|+8	$f (x) = \| x - 4 \| + 8$
21249	Find Where Increasing/Decreasing	f(x)=\|x+1\|+\|x-1\|	$f (x) = \| x + 1 \| + \| x - 1 \|$
21250	Find Where Increasing/Decreasing	f(x)=-x^3+3x-1	$f (x) = - x^{3} + 3 x - 1$
21251	Find Where Increasing/Decreasing	f(x)=x^3+9x^2-23	$f (x) = x^{3} + 9 x^{2} - 23$
21252	Find Where Increasing/Decreasing	f(x)=x^3-9x	$f (x) = x^{3} - 9 x$
21253	Find Where Increasing/Decreasing	f(x)=x^7	$f (x) = x^{7}$
21254	Find Where Increasing/Decreasing	f(x)=x^5	$f (x) = x^{5}$
21255	Find Where Increasing/Decreasing	f(x)=3/2x	$f (x) = \frac{3}{2} x$
21256	Find Where Increasing/Decreasing	f(x)=4/5x^5+1	$f (x) = \frac{4}{5} x^{5} + 1$
21257	Find Where Increasing/Decreasing	f(x) = log base 5 of x+1	$f (x) = \log_{5} (x + 1)$
21258	Find Where Increasing/Decreasing	f(x)=x^2+6x-40	$f (x) = x^{2} + 6 x - 40$
21259	Find Where Increasing/Decreasing	f(x)=x^2+6x+3	$f (x) = x^{2} + 6 x + 3$
21260	Find Where Increasing/Decreasing	f(x)=x^2+34x	$f (x) = x^{2} + 34 x$
21261	Find Where Increasing/Decreasing	f(x)=x^2+10x-24	$f (x) = x^{2} + 10 x - 24$
21262	Find Where Increasing/Decreasing	f(x) = square root of x-8	$f (x) = \sqrt{x - 8}$
21263	Find Where Increasing/Decreasing	y = square root of x	$y = \sqrt{x}$
21264	Find Where Increasing/Decreasing	x^3-x^2-2x	$x^{3} - x^{2} - 2 x$
21265	Convert to Set Notation	[5,8]	$[5, 8]$
21266	Write in Exponential Form	fourth root of 81=3	$\sqrt[4]{81} = 3$
21267	Write in Exponential Form	log base 64 of 16=2/3	$\log_{64} (16) = \frac{2}{3}$
21268	Write in Exponential Form	cube root of 343=7	$\sqrt[3]{343} = 7$
21269	Solve for x	tan(x)=(-2 square root of 3)/3*sin(x)	$\tan (x) = \frac{- 2 \sqrt{3}}{3} \cdot \sin (x)$
21270	Write in Exponential Form	log of 0.0100=-2	$\log (0.01) = - 2$
21271	Write in Exponential Form	log base 2 of 1024=10	$\log_{2} (1024) = 10$
21272	Write in Exponential Form	sin(0)sec(0)=cos(0csc(0))	$\sin (0) \sec (0) = \cos (0 \csc (0))$
21273	Solve for x	x+4 = square root of 3x+22	$x + 4 = \sqrt{3 x + 22}$
21274	Solve for x	y=ax^2	$y = a x^{2}$
21275	Solve for x	y=3x^2-7x+1	$y = 3 x^{2} - 7 x + 1$
21276	Solve for x	x^2=8x-16	$x^{2} = 8 x - 16$
21277	Solve for x	2x-x/2+(x+1)/7=6x	$2 x - \frac{x}{2} + \frac{x + 1}{7} = 6 x$
21278	Solve for x	7^( log base 4 of x)=49	$7^{\log_{4} (x)} = 49$
21279	Solve for x	sec(x)^2=2tan(x)	$\sec^{2} (x) = 2 \tan (x)$
21280	Solve for x	tan(x)^2- square root of 3tan(x)=0	$\tan^{2} (x) - \sqrt{3} \tan (x) = 0$
21281	Solve for x	6sec(x)^2-12=0	$6 \sec^{2} (x) - 12 = 0$
21282	Solve for x	a(n)=n/(n+7)	$a (n) = \frac{n}{n + 7}$
21283	Solve for x	csc(x)=-9/2	$\csc (x) = - \frac{9}{2}$
21284	Solve for x	1+cot(x)^2=csc(x)^2	$1 + \cot^{2} (x) = \csc^{2} (x)$
21285	Solve for x	2sec(3x)+5=1	$2 \sec (3 x) + 5 = 1$
21286	Solve for x	natural log of x+1=2+ natural log of x-1	$\ln (x + 1) = 2 + \ln (x - 1)$
21287	Solve for x	log of 5x = log of 4+ log of x-2	$\log (5 x) = \log (4) + \log (x - 2)$
21288	Solve for x	2sin(x/2)+ square root of 3=0	$2 \sin (\frac{x}{2}) + \sqrt{3} = 0$
21289	Solve for x	4cos(x)^2-3=0	$4 \cos^{2} (x) - 3 = 0$
21290	Solve for x	(625/81)^(x+1)=(3/5)^(x-1)	${(\frac{625}{81})}^{x + 1} = {(\frac{3}{5})}^{x - 1}$
21291	Solve for x	\|5x-9\|-1=0	$\| 5 x - 9 \| - 1 = 0$
21292	Solve for x	5^(-\|x\|)=625	$5^{- \| x \|} = 625$
21293	Solve for x	2^(2x)+2x-12=0	$2^{2 x} + 2 x - 12 = 0$
21294	Solve for x	1/(sec(x)tan(x))=csc(x)-sin(x)	$\frac{1}{\sec (x) \tan (x)} = \csc (x) - \sin (x)$
21295	Solve for x	natural log of 6x-6=2	$\ln (6 x - 6) = 2$
21296	Solve for x	p=1/12x^2-4x+48	$p = \frac{1}{12} x^{2} - 4 x + 48$
21297	Solve for x	sin(x)=cos(x-pi/2)	$\sin (x) = \cos (x - \frac{π}{2})$
21298	Solve for @VAR	log of m/n=( log of m)/( log of n)	$\log (\frac{m}{n}) = \frac{\log (m)}{\log (n)}$
21299	Solve for x	x+y=31	$x + y = 31$
21300	Solve for x	1/(3x)-2/(7x)>1/3	$\frac{1}{3 x} - \frac{2}{7 x} > \frac{1}{3}$