Question

Find the inverse of the quadratic function.
y=x^2 -1

Answer 1

Switch x and y and solve for y(well y').
x=\(y^2-1\)

Answer 2

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

Answer 3

that is the inverse of the function

Answer 4

oh dang you guys beat me XD

Answer 5

lol

Answer 6

So +-\[\sqrt{x+1}\]?

Answer 7

\(y'=\pm \sqrt{x+1}\)

Answer 8

ok ty