Tagged: CBSE (Classes XI-XII), mathematics, School Level, XI (Science)

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Which of the following statements can be used to define a function f, from a set A to set B?

a. A relation from set A to set B is said to be a function, if every element of set A has one and only one image in set B.

b. A relation from set A to set B is said to be a function, if every element of set A has a unique image in set B.

c. If, f is a function from A to B, then for a^{}A and c, d^{}B, then if f(a) = c and also f(b) = d, then c^{}d.### Options :-

- a and b
- a, b and c
- a and c
- only a

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