Question

Use algebra to find the inverse of the given one-to-one function.
f(x)=5+(square root of 2x -5)

Answer 1

\[f(x)=5+\sqrt{2x-5}\]

Answer 2

x=((y-5)^2+5)/2

Answer 3

did you get it?

Answer 4

thats wronf according to my hw site

Answer 5

*wrong

Answer 6

\[f ^{-1}(x)=\]

Answer 7

the answer should look like this

Answer 8

hey where'd u go? lol

Answer 9

replace y with x

Answer 10

that is correct! :D
could you show me the steps please so i can write them down?

Answer 11

let us say f(x)=y.
y-5=sqrt(2x-5)
(y-5)^2=2x-5 [squaring on both sides..]
solve for x from here on..

Answer 12

ok thanks. i need help with another one so if u can, please help. thanks again.