Respuesta :

Step-by-step explanation:

f(1)=6-1=5

f(2)=7-2=4

f(1) f(2)=20

Answer:f(1)=5. f(2)=4

Step-by-step explanation:

f(x)=6-x

f(1)=6-1

f(1)=5

f(2)=6-2

f(2)=4