# How Do You Find The Domain

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### Finding the Domain of a Function Coolmath.com

Finding the Domain Without the Graph OK so suppose we don t have the graph of a function to look at like in the last section Can we still find the domain and range

Link: http://www.coolmath.com/algebra/15-functions/06-finding-the-domain-01

Actived: Thursday Aug 15, 2019 (3 days ago)

### 6 Ways to Find the Domain of a Function - wikiHow

The domain of a function is the set of numbers that can go into a given function. In other words it is the set of x-values that you can put into any given equation.

Link: https://www.wikihow.com/Find-the-Domain-of-a-Function

Actived: Wednesday Aug 14, 2019 (4 days ago)

### How to find the domain of a function video Khan Academy

So the domain the domain here the domain of h is literally -- it s just literally going to be the the two valid inputs that x can be are 3 and pi. These are the only valid inputs. These are the only two numbers over which this function is actually defined. So this hopefully starts to give you a flavor of why we care about to the domain. It s not all functions are defined over all real

Link: https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:functions/x2f8bb11595b61c86:introduction-to-the-domain-and-range-of-a-function/v/domain-of-a-function-intro

Actived: Thursday Aug 15, 2019 (3 days ago)

### Rational Expressions Finding the Domain - purplemath.com

Rational Expressions Finding the Domain page 1 of 3 Sections Finding the domain Simplifying rational expressions A rational expression is a polynomial fraction and anything you could do with regular fractions you can do with rational expressions.

Link: https://www.purplemath.com/modules/rtnldefs.htm

Actived: Wednesday Aug 14, 2019 (3 days ago)

### How to Find the Domain Range and Roots of Polynomials

The values not included in the domain of t x are the roots of the polynomial in the denominator. Let s factor both the numerator and denominator. Let s factor both the numerator and denominator. We can see from this factoring that the domain of t x is all real numbers except x 1.

Link: https://www.universalclass.com/articles/math/pre-calculus/find-domain-range-roots-polynomials-rational-functions.htm

Actived: Thursday Aug 15, 2019 (3 days ago)

### How to Find the Domain and Range of a Function 14 Steps

Write the domain with proper notation. Writing the domain of a function involves the use of both brackets and parentheses . You use a bracket when the number is included in the domain and use a parenthesis when the domain does not include the number.

Link: https://www.wikihow.com/Find-the-Domain-and-Range-of-a-Function

Actived: Sunday Oct 8, 2017 (1 year ago)

### Functions Domain and Range Purplemath

If you find any duplicate x-values then the different y-values mean that you do not have a function. Remember For a relation to be a function each x -value has to go to one and only one y -value.

Link: https://www.purplemath.com/modules/fcns2.htm

Actived: Tuesday Aug 13, 2019 (4 days ago)

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Your domain name is how people find you online so choosing the right one for your website can seem overwhelming at first. But don t get intimidated as the largest domain registrar we re here to help you get online.

Link: https://ca.godaddy.com/

Actived: Wednesday Aug 14, 2019 (4 days ago)