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📐 Mathematics  ·  Relations and Functions  ·  JEE

If f(x) = x², then f(3) equals:

Answer: 9.

  • A 9
  • B 6
  • C 3
  • D 27

Correct answer: A. 9

Explanation: f(3) = 3² = 9.

Concept context

Ordered pairs, Cartesian products, types of relations and functions, domain and range. Foundation for calculus and Class 12 algebra.

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