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Identify the domain and range of the following function {(3, 7), (10, 18), (15, 21)}
A) domain: 3, 7, 10 range: 18, 15, 21
B) domain: 3, 10, 15 range: 7, 18, 21
C) domain: 7, 18, 21 range: 3, 10, 15
D) domain: 18, 15, 21 range: 3, 7, 10

Respuesta :

calculista

Answer:

Option B) domain: 3, 10, 15 range: 7, 18, 21

Step-by-step explanation:

we have

{(3, 7), (10, 18), (15, 21)}

Remember that

The domain are all possible values of x or input values of the function

The range are all possible values of y or output values of the function

In this problem

the input values are 3,10,15

the output values are 7,18,21

therefore

domain: 3, 10, 15 range: 7, 18, 21

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