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# What is a function and relation in a real life situation?

## What is a function and relation in a real life situation?

Relation and Function in real life give us the link between any two entities. Relation and function map elements of one set (domain) to the elements of another set (codomain). Functions are nothing but special types of relations that define the precise correspondence between one quantity with the other.

What are examples of functions in real life situation?

Basic economics and money math:

• A weekly salary is a function of the hourly pay rate and the number of hours worked.
• Compound interest is a function of initial investment, interest rate, and time.
• Supply and demand: As price goes up, demand goes down.

What is the example of function and relation?

In mathematics, a function can be defined as a rule that relates every element in one set, called the domain, to exactly one element in another set, called the range. For example, y = x + 3 and y = x2 – 1 are functions because every x-value produces a different y-value. A relation is any set of ordered-pair numbers.

### What is function give example?

We could define a function where the domain X is again the set of people but the codomain is a set of numbers. For example, let the codomain Y be the set of whole numbers and define the function c so that for any person x, the function output c(x) is the number of children of the person x.

What’s a relation and function?

A relation is a set of inputs and outputs, and a function is a relation with one output for each input.

What is function give two examples in computer?

Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer.

#### What is an example of a functional relationship?

A real-life example of a functional relationship is the relationship between distance and time. We all know that it takes time to travel distances and when we travel any distance (or stand still), it takes a certain amount of time to do so. The relationship between distance and time is a functional relationship.

What is the difference between a function and a relation?

A relation is a set of numbers that have a relationship through the use of a domain and a range, while a function is a relation that has a specific set of numbers that causes there to be only be one range of numbers for each domain of numbers. All functions are relations, but all relations are not functions.

Which relation is also a function?

A relation is a function if there are no vertical lines that intersect its graph at more than one point. This is called the vertical line test. Table of Values – One way to represent the relationship between the input and output variables in a relation or function is by means of a table of values.

## What are the functions of relationships?

In psychology, a functional relationship is a relationship in which the value of one party is dependent on the value of a second party. A relationship is considered functional when there is respect, accountability and resilience. A functional relationship offers an emotionally safe environment for the people involved and respects privacy of space.