Practice Definition of a Function - 2.1 | 1. Relations and Functions | ICSE 12 Mathematics
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Definition of a Function

2.1 - Definition of a Function

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is a function?

💡 Hint: Think of inputs and unique outputs.

Question 2 Easy

Define the term 'domain' in context to functions.

💡 Hint: Consider what values can be input into the function.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is a function?

A relation where every input relates to multiple outputs.
A relation where each input maps to exactly one output.
A relation with no specific pairing between the sets.

💡 Hint: Focus on the uniqueness of mapping.

Question 2

True or False: A function can map one element of the domain to multiple elements of the co-domain.

True
False

💡 Hint: Remember the definition of a function.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given the function 𝑓 = {(1,2),(2,3),(3,4),(4,3)}, determine if it is injective, surjective, or bijective.

💡 Hint: Analyze the mappings against the definitions of each function type.

Challenge 2 Hard

Formulate a function based on real-world data where the relationship can be considered bijective.

💡 Hint: Think about unique one-to-one correspondences.

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