Question

write with reason the following sets are finite or infinite 1. B={y/y<-1, y is an integer}​

Answer 1

Answer:

(i) A = { x|x<10,x is a natural number}  

Finite    as it will end at 9  < 10

(ii) B = {y|y<-1,y is an integer}  

infinite    will go upto -∞

(iii) C = Set of students of class 9 from your school.

Finite  as there will be a fixed number of students in class

(iv) Set of people from your village.  -  Finite

(v) Set of apparatus in laboratory.   - Finite

(vi) Set of whole numbers   - Infinite  -∞ to + ∞

(vii) Set of rational number - Infinite

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Answer 2

Answer:

This is an infinite set.

The set is - y such that y is an integer and y is less than -1. There are infinite amount of numbers (integers) that are less than -1. So, this is an infinite set.

Step-by-step explanation:

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