Mathematics · Relations and Functions
Which of the following functions from Z (set of integers) into Z is a bijection?
- 1f(x) = x2 + 1
- 2f(x) = 2x + 1
- 3f(x) = x + 2✓
- 4f(x) = x3
Correct answer
f(x) = x + 2
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!
Preparing for Mathematics?
Practice full-length Mathematics mock tests with real exam timers, instant score analysis, and all-India ranking.
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