JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Understanding +4 | -1

Suppose

X

contains

m

elements and

Y

contain

n

elements. The number of functions from

X

Y

View answer and explanation

Correct option: B

n^{{m}}

Option B (

n^{{m}}

) is correct because for each of the m elements in X, there are n possible images in Y, leading to

n^m

possible functions.

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