Question

Find the inverse of..?

Answer 1

let y = \[\sqrt{x-4}\]

Answer 2

square both the sides to get
y^2 =x-4

Answer 3

change the equation to \[x=\sqrt{y-4}\] and solve for y

Answer 4

take -4 on the left side

Answer 5

But the -4 is in the rt

Answer 6

u get y^2+4 = x

Answer 7

replace x by y and y by x u will get the inverse

Answer 8

what he said

Answer 9

Still a bit confused with what you do with the -4

Answer 10

i have added +4 on both sides so that -4 gets cancel on the right hand side

Answer 11

So I get 4+x=sqrt y

Answer 12

....follow this