Question

y=square root of x-4, inverse of the function

Answer 1

x(y)=y^2+8y+16

Answer 2

is it:
y=sqrt(x)-4?

Answer 3

or is it y=sqrt(x-4)

Answer 4

(x-4)

Answer 5

y=sqrt(x-4)
solve for x:
y^2=x-4
x=y^2+4.
Now just swap x and y:
y=x^2+4 is the inverse

Answer 6

the inverse is y = x^2 + 4