Zaymiey

📐 Mathematics  ·  Relations and Functions  ·  JEE

A function is a relation in which every element of the domain has:

Answer: exactly one image.

  • A exactly one image
  • B more than one image
  • C no image
  • D at least two images

Correct answer: A. exactly one image

Explanation: In a function each input maps to exactly one output (image).

Concept context

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

Read the full Relations and Functions notes →