A mapping f : X -> Y is one one if : – McqOptions

MCQOPTIONS

1.	A mapping f : X -> Y is one one if :
A.	f(x<sub>1</sub>) ‚Äö√Ñ√∂‚àö¬¢‚Äö√Ñ‚Ä† f(x<sub>2</sub>) for all x<sub>1</sub>, x<sub>2</sub> in X.
B.	If f(x<sub>1</sub>) = f(x<sub>2</sub>) then x<sub>1</sub> = x<sub>2</sub> for all x<sub>1</sub>, x<sub>2</sub> in X.
C.	f(x<sub>1</sub>) = f(x<sub>2</sub>) for all x<sub>1</sub>, x<sub>2</sub> in X.
D.	None of the mentioned
Answer» C. f(x<sub>1</sub>) = f(x<sub>2</sub>) for all x<sub>1</sub>, x<sub>2</sub> in X.

Discussion

No Comment Found

Related MCQs

A bijection is a function which is many-one and onto.
A function is defined by mapping f:A→B such that A contains m elements and B contains n elements and m > n then number of bijections are ________
A function is defined by mapping f : A → B such that A contains m elements and B contains n elements and 1≤n≤m then number of onto functions are ________
Set A has 3 elements and set B has 4 elements then number of injections defined from A to B are?
Onto function are known as injection.
For an onto function range is equivalent to codomain.
A function is defined by mapping f : A -> B such that A contains m elements and B contains n elements and m>n then number of one one functions are ________
A function is defined by mapping f : A → B such that A contains m elements and B contains n elements and m ≤ n then number of one one functions are _________
A mapping f : X → Y is one one if __________
An injection is a function which is?