Improper because the top is supposed to be lower than the bottom
Hi the answer is 60 but the picture will show you the work!!
Answer:add then divide
Step-by-step explanation:
Hello,
![f^{-1}(-3)=-1\\](https://tex.z-dn.net/?f=f%5E%7B-1%7D%28-3%29%3D-1%5C%5C)
You have just to read the arrows un reversed order:
in f we find (-1,-3) so in f^{-1} we find (-1,-3)^{-1}=(-3,-1)