JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Understanding +4 | -1

If the mappings

f: A \rightarrow B

and

g: B \rightarrow C

are both bijective, then the mapping

g o f: A \rightarrow C

View answer and explanation

Correct option: B

One-one and onto

Option B (One-one and onto) is correct because the composition of two bijective functions is also bijective.

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f\left( x \right) = x - \left[ x \right]

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