Functions
Chapter Name : Relations And Functions |
Sub Topic Code : 104_11_02_04_02 |
Topic Name : Functions |
|
Sub Topic Name : Algebra Of Real Numbers |
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Introduction
Functions,
like any variable or constant, can also be operated upon i.e. to real functions
can be added, subtracted, and multiplied.
Pre-Requisites:
Idea about relations and functions, mapping of functions, drawing of graphs, addition and subtraction.
Activity:
Find
the range of f(x) = x2+ 2,
x is a real number.
Real Life Question:
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Key Words / FlashCards
| Key Words | Definitions (pref. in our own words) |
|---|---|
| Algebra | Algebra is one of the broad parts of mathematics, together with number theory, geometry and analysis |
Learning aids / Gadgets
| Gadgets | How it can be used |
|---|---|
| Algebra chart | To understand Algebra |
Real life uses :
In
trigonometric calculations and finding area &volume of geometrical figures.
Places to visit :
Math
libary
Practical examples around us
| Examples | Explainations |
|---|---|
| Stock market | The charts explanation. |
What you learn in Theory:
How
to add two real functions, subtract one function from another and
multiplication of two real functions.
What you learn in Practice:
Principle behind Algebra of Real Functions.