Mathematics · Relations and Functions
Which of the following relations on &mathbb;R (the set of real numbers) is/are NOT a function? (i) {(x, y) : y2 = x} (ii) {(x, y) : y = √(4 - x2), |x| ≥ 2} (iii) {(x, y) : x2 + y2 = 1}
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 1All (i), (ii) and (iii)
- 2Only (i) and (iii)✓
- 3Only (i) and (ii)
- 4Only (ii)
Correct answer
Only (i) and (iii)
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Mathematics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Relations and Functions MCQs →Want more practice questions on Relations and Functions?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Relations and Functions