Question

Activity-2
Write the following sets in respective forms.
S.No. Descriptive Form
Set Builder Form
Roster Form
1
The set of all natural
numbers less than 10
{x : x is a multiple of 3,
xε N}
{2,4,6,8,10}
The set of all days in a week.
{...-3,-2,-1,0,1,2,3...]

I want answer for 5. only​

Answer 1

Answer:

I hope it is helpful.....

Answer 2

Answer:

The solution is written in the respective forms.

Step-by-step explanation:

1.

Descriptive form: The $set$ of natural numbers $less$ than $10$.

Set Builder form: {x : 0 < x < 10}

Roster form: {$1, 2,3,4,5,6,7,8,9$}

2.

Descriptive form: The $set$ of natural numbers which are $multiple$ of $3$.

Set Builder form: {x : x = 3n, n ∈ $N$}

Roaster form: {$3, 6, 9, \ .\ .\ .$}

3.

Descriptive form: The set of $5$ natural numbers which are $multiple$ of $2$.

Set Builder form: {x : x = 2n, $1\leq n\leq 5$}

Roaster form: {$2,4,6,8,10$}

4.

Descriptive form: The $set$ of all days in a $week$.

Set Builder form: {x : x is days in a week}

Roaster form: {monday, tuesday, wednesday, thursday, friday, saturday, sunday}

5.

Descriptive form: The $set$ of all integers.

Set Builder form: {x : x ∈ $Z$}

Roaster form: {$.\ .\ .\ , -3,-2,-1,0,1,2,3,\ .\ .\ .$}

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