JEE MATHEMATICS MCQ: FUNCTIONS

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Analyzing +4 | -1

x,y\, \in \left\{ {1,2,3,4} \right\},

then which ofthe following is/are function(s) in the given set?

View answer and explanation

Correct option: D

f_4=\{(x, y): x+y=5\}

Option D (

f_4=\{(x, y): x+y=5\}

) is the correct answer because it represents a function where each element in the domain maps to a unique element in the codomain.

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