# Sets, Relations and Functions

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## 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)

Most Important Concepts (Do or Die)

- Equivalence of Relations
- Composition of Functions

- Venn Diagram
- Laws of Algebra of Sets
- Inverse Relations
- Compositions of Relations

- 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*.