JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

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A = \left\{ {1,\;2,\;3,\;4} \right\},\;B\left\{ {1,\;2,\;3,\;4,\;5,\;6} \right\}

are two sets, and function

f:A \to B

is defined by

f\left( x \right) = x + 2\;\forall x \in Ab

, then the function f is

View answer and explanation

Correct option: C

One-one

Option C (One-one) is correct because each element in set A maps to a unique element in set B, and the function is into.

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