Question

Which statement describes in the definition of a function

Answer 1

SOLUTION

TO DETERMINE

The statement describes in the definition of a function

EVALUATION

We know that for two given non empty sets A and B the relation between A and B is a subset of A × B

Now we define function as below

Let A and B are two non empty sets then a mapping from A to B is a rule that assigns every element x of A to an definite element y of B. If such case we write y = f(x)

Example :

$\sf{f(x) = {x}^{2} + 10x + 25 }$

is a function

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