Y= y = √(x - 7 - 1) ​

Question

Y=

`y = √(x - 7 - 1)`
​

Answer 1

Your y is Y=x-8 and your x is x=y^2+8

Answer 2

I would say that you cannot answer the question if you dont know either the X-value or Y-value. You need to know at least one of them to figure out the other.