Respuesta :

Vanes10

Answer:

[4,0,6,12]

Step-by-step explanation:

When x = -1, f(x) =  

2

x

−

2

=  

2

(

−

1

)

−

2

= -4.

When x =1, f(x) =  

2

x

−

2

=  

2

(

1

)

−

2

= 0.

When x =4, f(x) =  

2

x

−

2

=  

2

(

4

)

−

2

= 6.

When x =7, f(x) =  

2

x

−

2

=  

2

(

7

)

−

2

= 12.

So the values achieved, which is the range is  

{

−

4

,

0

,

6

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