Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define what an injective function is.
💡 Hint: Think of it as one-to-one relationships.
Question 2
Easy
Give an example of a surjective function.
💡 Hint: Consider if every output can be reached.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is an injective function?
- A function that is not defined
- A function where two different inputs can yield the same output
- A function where distinct inputs produce distinct outputs
💡 Hint: Remember the concept of one-to-one relationship.
Question 2
True or False: Every bijective function has an inverse.
- True
- False
💡 Hint: Think about the requirements for a function to have an inverse.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider the function f(x) = 3x – 2. Prove whether this function is bijective and determine its inverse.
💡 Hint: Check both injectivity and surjectivity to confirm bijection.
Question 2
Is it possible for a function to be injective but not surjective? Provide an example.
💡 Hint: Review the definitions to clarify the difference between injective and surjective.
Challenge and get performance evaluation