Rabin Kalikote almost 2 years ago
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2 Comments
Bal Bahadur BK

Great my son!

Reply over 1y
Pranish Uprety

You've been truly inspiration, dai! Congratulations to you and all of us.

Reply almost 2y
Bijaya Rajbhandari asked a question

1) That old man is Aksionov.

2) The speaker is asking about the truth of digging an escape hole .

3) The speaker means the prison's wall.

2 Thanks
2 Answers
Mattrab Community - SXC asked a question

Here, f: A>B

f(x)= (x-1)/(x+2)  ;  x   -2 

A= {-1,0,1,2,3,4}

B= {-2,1,-1/2,0,1/2,1/4,2/5}

Range = {-2,-1/2,0,1/4,1/2,2/5}

As range is not equal to codomain so the given function is not bijective. 

We can make it bijective by omitting {1} from set B 

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2 Answers
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