Question

find the inverse function of f(x)=x^2-8 , x<0

Answer 1

i am positve it is square root x+8 but my math lab hw is saying its wrong

Answer 2

i idd

Answer 3

(x,y) becomes (y,x) in an inverse functions, which means that you have to replace the signs.\[\rm x = y^2 - 8\]

Answer 4

got it thanks yall

Answer 5

invers of quadratic function is squareroot function, @ParthKohli

Answer 6

oh, he was offline

Answer 7

nices sites, @nincompoop
what should the answer ?

Answer 8

yea, i agree... how about with x<0 ?

Answer 9

\[\sqrt{(x+8)}\]