Question

Is A = {(1, 5), (1, 5), (3, -8), (3, -8), (3, -8)} a function?

Answer 1

NoooooooooooooooNooooooooooooooooooooo

Answer 2

Concept

Function is the relationship between two or more variables expressed in equal to form. In a function each value of x must have a corresponding y value. The x value is known as domain of the function and y value is known as codomain of the function.

Given

A={(1,5),(1,5),(3,-8),(3,-8),(3,-8)}

To find

Whether set A is function?

Explanation

No, the relations whose set A is given is not a function because in a function one value in domain and range should come only once. In this set (1,5) comes twice and (3,-8) comes thrice. The first component in () is the value of domain and the second component is the element of the range of the function. We know that domain is the value that is entered in the function and range is basically the value that we get after entering of the value.

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