Answer:
y+1=-1/3(x-4)
Step-by-step explanation:
Answer:

Step-by-step explanation:

Here you go. Should be solved
Answer:

Not a function.
Step-by-step explanation:
The given function is;

Let 
Interchange x and y;

Solve for y;

Square both sides




The inverse is

is not a function because one x-value maps onto to different y-values.
It is A because I saw your other post