cielomarie23 cielomarie23

24-06-2019
Mathematics

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The range of the function f(x) = x + 5 is {7, 9). What is the function's domain?

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

29-06-2019

Answer:

(2,4)

Step-by-step explanation:

The range is the y values

y = x+5

Let y=7

7 =x+5

Subtract 5

7-5 x+5-5

2=x

Let y= 9

Subtract 5

9-5 x+5-5

4=x

The domain is (2,4)

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