### Mathematics Class XI

Unit-I: Sets and Functions
Chapter 1: Sets
Unit-II: Algebra
Chapter 5: Binomial Theorem
Unit-III: Coordinate Geometry
Chapter 1: Straight Lines
Chapter 2: Conic Sections
Unit-IV: Calculus
Unit-V: Mathematical Reasoning
Unit-VI: Statistics and Probability
Chapter 1: Statistics
Chapter 2: Probability

# Real value functions and their graphs

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A function where is called a real valued function or a real function.

Thus , for , a unique such that

Domain:

Let , where and are subsets of then

Codomain:

Let , where and are subsets of then codomain of

Range:

, i.e., , ,

Graphs:

Let , where , then is called graph of .

The graph of corresponds to a set of points on the cartesian plane.

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