Question

Find all $x\in\mathbb R$ that satisfy the equation $|x| − |x − 1| = 1/2$ . Sketch the graph of the equation $y = |x| − |x − 1|$

score 755 · Answer 1 · 2026-04-29 12:44:28

Find all $x\in\mathbb R$ that satisfy the equation $|x| − |x − 1| = 1/2$ . Sketch the graph of the equation $y = |x| − |x − 1|$

score 87 · Answer 2 · 2026-04-09 17:30:53

87

Views

Proof of inequality involving sums in roots with n variables

Published on 09 Apr 2026 - 17:30

score 1.1k · Answer 3 · 2026-05-10 17:13:52

1.1k

Views

Prove that $\sup A+x=\sup(A+x)$

Published on 10 May 2026 - 17:13

score 89 · Answer 4 · 2026-04-11 03:00:02

89

Views

$\sqrt {3} $ is irrational (proof verification)

Published on 11 Apr 2026 - 3:00

score 953 · Answer 5 · 2026-04-13 17:24:28

953

Views

Prove that sup $f(x)$ $\le$ inf $g(y)$. (proof verification)

Published on 13 Apr 2026 - 17:24

score 135 · Answer 6 · 2026-04-12 08:04:42

135

Views

Find the infimum and supremum (assignment)

Published on 12 Apr 2026 - 8:04

score 74 · Answer 7 · 2026-04-16 04:19:46

74

Views

I know $\mathbb{R}$ is the real number line. What really is $\mathbb{R}^n$?

Published on 16 Apr 2026 - 4:19

score 291 · Answer 8 · 2026-04-13 22:07:07

291

Views

If $A\subseteq B$ then prove that $\inf B \le \inf A \le \sup A \le \sup B$

Published on 13 Apr 2026 - 22:07

score 218 · Answer 9 · 2026-05-10 13:47:40

218

Views

Proving Rn minus the unit disk is connected

Published on 10 May 2026 - 13:47

score 247 · Answer 10 · 2026-04-12 18:56:06

247

Views

What is complement of $S$ in $\mathbb{R^3}$

Published on 12 Apr 2026 - 18:56

score 46 · Answer 11 · 2026-04-16 05:31:03

Take $f:\mathbb{R}\rightarrow\mathbb{R}$ and for each $r\in \mathbb{R}$ collect $f(r)$ in $\mathcal{A}_f$: what is $\mathcal{A}_f$?

score 158 · Answer 12 · 2026-04-09 19:30:29

158

Views

Property of the maximum value for a fraction

Published on 09 Apr 2026 - 19:30

score 52 · Answer 13 · 2026-04-21 03:17:53

52

Views

Show that for any open subset of $\Bbb R$, there is a fraction with prime terms that belongs to it

Published on 21 Apr 2026 - 3:17

score 38 · Answer 14 · 2026-04-15 17:11:57

38

Views

Prove that, given $b \in (0,1)$, there exists $C_{b} \in \mathbb{R}$ such that, for all $x,y \in [0,1]$, $|x^b-y^b|\leq C_b|x-y|^b$

Published on 15 Apr 2026 - 17:11

score 466 · Answer 15 · 2026-04-14 02:51:41

466

Views

Countable and Uncountable Sets Question

Published on 14 Apr 2026 - 2:51

List Question

Find all $x\in\mathbb R$ that satisfy the equation $|x| − |x − 1| = 1/2$ . Sketch the graph of the equation $y = |x| − |x − 1|$

Proof of inequality involving sums in roots with n variables

Prove that $\sup A+x=\sup(A+x)$

$\sqrt {3} $ is irrational (proof verification)

Prove that sup $f(x)$ $\le$ inf $g(y)$. (proof verification)

Find the infimum and supremum (assignment)

I know $\mathbb{R}$ is the real number line. What really is $\mathbb{R}^n$?

If $A\subseteq B$ then prove that $\inf B \le \inf A \le \sup A \le \sup B$

Proving Rn minus the unit disk is connected

What is complement of $S$ in $\mathbb{R^3}$

Take $f:\mathbb{R}\rightarrow\mathbb{R}$ and for each $r\in \mathbb{R}$ collect $f(r)$ in $\mathcal{A}_f$: what is $\mathcal{A}_f$?

Property of the maximum value for a fraction

Show that for any open subset of $\Bbb R$, there is a fraction with prime terms that belongs to it

Prove that, given $b \in (0,1)$, there exists $C_{b} \in \mathbb{R}$ such that, for all $x,y \in [0,1]$, $|x^b-y^b|\leq C_b|x-y|^b$

Countable and Uncountable Sets Question

Trending Questions

Popular # Hahtags

Popular Questions