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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define a relation.
💡 Hint: Focus on how elements from two sets interact.
Question 2
Easy
What is a reflexive relation?
💡 Hint: Think of self-pairs.
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 defines a reflexive relation?
- A relation with unique pairs.
- A relation consisting of (x
- x) for all elements.
- A relation with only symmetrical pairs.
💡 Hint: Reflect on self-connections in sets.
Question 2
True or False: Every bijective function is also surjective.
- True
- False
💡 Hint: Consider the definitions of surjective and injective together.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Create a function from set A = {1, 2, 3, 4} to set B = {x, y}. Can such a function be injective? Explain why or why not.
💡 Hint: Consider uniqueness in mappings.
Question 2
Consider sets A = {1, 2} and B = {a, b, c}. Define a function from A to B and evaluate its surjectiveness.
💡 Hint: Check the coverage of outputs.
Challenge and get performance evaluation