Question

what are the range and domain of f(x) = -x + 12

Answer 1

Put the value of x(1,2,3,4,or any) that will be domain . If you subtract the value of x from 12 that will be your range
If x=1 then f(x)=11
X=2 f(x)=10
1 and 2 are domain
11 and 10 are range