How to Find the Domain of a Function

Hi friends, we will study different types of functions such as linear function, quadratic function and so on. Here we will see How to Find the Domain of a Function. Function can be defined as a tool used to confirm the relationship between the given values. Now we will see how to find the domain of a function. Generally, functions are defined as f (u) here ‘u’ is the value that we given it. Like, f (s) = s / 2 ('f' of 'p' is divided by 2) is a function. Here we can find out different values on putting the different value of variable s.

For calculating the domain of function first we need to discuss about what the domain of a function is. If we select the entire values of x - coordinates in the given function, then these x- coordinates values are said to be the domain of a function. In same way we can also find the range of a function, all possible ‘y’ coordinate values are known as range of a function. Let we have some values (4, -6), (-3, 7), (15, -9), (-19, 8), then domain of function can be obtained as:

The domain of a given function = 4, -3, 15, -19.

Range is all ‘y’ coordinate values,

Range = -6, 7, -9, 8. Now we will understand that how to find domain of a function in details. We will see some steps to calculate domain of a function:

Step 1: To find the domain of a function first we assume a function which contains ‘x’ and ‘y’ coordinates.

Step 2: As we discuss above the domain of a function is all ‘x’ coordinates values.

So if we have values of ‘x’ and ‘y’ coordinates then we easily find the domain and range of a function. This is all about the domain of a function.

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