Answer:
f=x-9
Step-by-step explanation:
f(x) = 10
f(x)=9-x f(-1)
Put in the -1 for x
f(x) = 9 - (-1)
f(x) = 9 + 1
Hope this helps :)
(8)(-4.5) is not equivalent because 8 times -4.5 results in negative value
