# Sets, Relations and Functions

Subject: Mathematics    Exam: JEE Main

Chapter Rating: Do or Die (Most Important)

Topic Weightage: 0.05

## Important Concepts in Sets, Relations and Functions

Find notes, videos, important points and questions to practice on each of these concepts.

Most Important Concepts (Do or Die)
• Equivalence of Relations

• Composition of Functions

Important Concepts (Should Do)
• Venn Diagram

• Laws of Algebra of Sets

• Inverse Relations

• Compositions of Relations

Not So Important Concepts (Do if you have time)
• Types of Sets

• Operations on Sets

• Ordered Pair and Cartesian Product

• Types of Relations

• Types of Functions

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## Important Points

If two functions f and g satisfy f (g(x)) = x for every x in the domain of g, and g(f(x)) =x for every x in the domain of f, we say that f is the inverse of g and g is the inverse of f.

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