Friday, September 3, 2010

Domain of a function calculator

In this blog we are going to discuss about domain of a function calculator.

A abstraction is such that no two sequential pairs testament feature the one best coordinates is called as functions. Generally the functions are denoted by f, g, h ......

If f is a part from A to B then it is statute as f : A ->B.

If : A ->B is a run then

* All the elements of A should be related with B
* Each semiconductor of A should be associated for erstwhile exclusive
Here is a example of of domain of a function calculator:

Find the domain of log ( x2 - 4x + 3 )

Solution:

f ( x ) = log ( x2 - 4x + 3 )

if the given equation is in log numerator then we write it as

x2 - 4x + 3 > 0

( x - 1) ( x - 3 ) > 0

Domain is R \ [ 1, 3 ].

This is just a simple example on domain of a function calculator.Next time we will learn about another concept factoring trinomials calculator.



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