Practice - Types of Functions
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Practice Questions
Test your understanding with targeted questions
What is an injective function? Provide an example.
💡 Hint: Think of a function that doubles the input.
Define a constant function and give an example.
💡 Hint: Consider a function that doesn’t change no matter what x is.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of function is f(x) = 3?
💡 Hint: Think about whether the output changes.
True or False: A bijective function can never be constant.
💡 Hint: Remember the definitions of both types of functions.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Demonstrate whether f(x) = 2x can be put into a real-world scenario where its injective nature is critical.
💡 Hint: Think about financial transactions.
Given a function g(x) that is not injective, can you modify it to create a surjective function? What example works?
💡 Hint: Analyze ways to adjust the parameters.
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Reference links
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