Respuesta :

adit2347ac

Answer:

range={27,15,12}

Step-by-step explanation:

f(x)=12-3x

let x= -5

f(5)=12-3*-5

f(5)=12+15

f(5)= 27

let x= -1

f(-1)=12-3* -1. [-3*-1=+3]

f(-1)=12+3

f(-1)=15

let x=8

f(8)=12-3*8

f(8)=12-24

f(8)=12

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