Pre Calculus help please?

athena

New member
For each of the following, decide if the given function is one-to-one. If it is,
find its inverse function (and be careful to say what the domain of the inverse
function is). If it isn’t, explain how to restrict the domain of the given function
so it becomes one-to-one, and then find the inverse of that function (including
saying what its domain is).

(a) f(x) = Sqr root 1 + x^2 ( both 1+x^2 are under the sqr root)
(b) g(x) =Sqr root x
(c) h(x) =x/ 1+ x
 
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