Question

Properties of functions (injective, surjective and bijection)

score 403 · Answer 1 · 2026-04-10 22:39:44

403

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Properties of functions (injective, surjective and bijection)

Published on 10 Apr 2026 - 22:39

score 662 · Answer 2 · 2026-04-11 20:31:17

662

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Is $f: \Bbb{Z} \to \Bbb{Z}, f(x) = 3x + 6$ a bijection? Why?

Published on 11 Apr 2026 - 20:31

score 100 · Answer 3 · 2026-03-25 19:51:38

100

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Prove that $\frac{a}{b}=\frac{c}{d}$ iff $\frac{d}{c}=\frac{b}{a}$ with this definition...

Published on 25 Mar 2026 - 19:51

score 132 · Answer 4 · 2026-04-10 21:10:07

132

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Unsure how to do this problem with iteration and mathematical induction

Published on 10 Apr 2026 - 21:10

score 797 · Answer 5 · 2026-04-11 17:17:56

797

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The difference between implication vs consequence.

Published on 11 Apr 2026 - 17:17

score 134 · Answer 6 · 2026-04-10 04:42:01

134

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Finding the recurrence relation for integers

Published on 10 Apr 2026 - 4:42

score 2k · Answer 7 · 2026-04-11 21:08:56

2k

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How many number of integer coordinates exists between a line segment, including the end points?

Published on 11 Apr 2026 - 21:08

score 62 · Answer 8 · 2026-04-10 21:48:02

62

Views

Finding logical equvilances only using v and ~ as connectives

Published on 10 Apr 2026 - 21:48

score 240 · Answer 9 · 2026-03-27 13:42:18

240

Views

Find the generating function for equation $2x_1+3x_2+5x_3+7x_4=n$ with restrictions and number of solutions for $n = 50$

Published on 27 Mar 2026 - 13:42

score 2k · Answer 10 · 2018-10-16 01:29:24

2k

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How many ways can we distribute $r$ identical balls into $n$ distinct boxes with exactly $m$ boxes empty

Published on 16 Oct 2018 - 1:29

score 43 · Answer 11 · 2018-10-16 07:43:25

43

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simplify this question

Published on 16 Oct 2018 - 7:43

score 1.4k · Answer 12 · 2026-04-10 22:30:05

1.4k

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What does it mean to solve recurrence relation?

Published on 10 Apr 2026 - 22:30

score 112 · Answer 13 · 2026-04-11 22:40:28

112

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Seating students so that their numbers are different from both of the numbers on their chairs

Published on 11 Apr 2026 - 22:40

score 222 · Answer 14 · 2026-03-29 11:02:37

222

Views

Induction: How to prove that $ab^n+cn+d$ is divisible by $m$.

Published on 29 Mar 2026 - 11:02

score 152 · Answer 15 · 2026-04-12 07:38:21

152

Views

How to find $\Delta a_n$? - recurrence relation

Published on 12 Apr 2026 - 7:38

List Question

Properties of functions (injective, surjective and bijection)

Is $f: \Bbb{Z} \to \Bbb{Z}, f(x) = 3x + 6$ a bijection? Why?

Prove that $\frac{a}{b}=\frac{c}{d}$ iff $\frac{d}{c}=\frac{b}{a}$ with this definition...

Unsure how to do this problem with iteration and mathematical induction

The difference between implication vs consequence.

Finding the recurrence relation for integers

How many number of integer coordinates exists between a line segment, including the end points?

Finding logical equvilances only using v and ~ as connectives

Find the generating function for equation $2x_1+3x_2+5x_3+7x_4=n$ with restrictions and number of solutions for $n = 50$

How many ways can we distribute $r$ identical balls into $n$ distinct boxes with exactly $m$ boxes empty

simplify this question

What does it mean to solve recurrence relation?

Seating students so that their numbers are different from both of the numbers on their chairs

Induction: How to prove that $ab^n+cn+d$ is divisible by $m$.

How to find $\Delta a_n$? - recurrence relation

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