1. Tardigrade
  2. Question
  3. Mathematics
  4. Let A = 1,2,3,4 and R: A → A be the relation defined by R= (1,1), (2, 3), (3,4)(4, 2) . The correct statement is :

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Q. Let $A = {1,2,3,4}$ and $R: A \to A$ be the relation defined by $R=\left\{\left(1,1\right), \left(2, 3\right), \left(3,4\right)\left(4, 2\right)\right\}$. The correct statement is :

JEE MainJEE Main 2013Relations and Functions - Part 2

Solution:

Domain $= {1,2,3,4}$
Range $= {1,2,3,4}$
$\therefore \quad$ Domain = Range
Hence the relation R is onto function.