Question

What is the inverese of f(x)=(x+1)^2 +4

Answer 1

it doesn't have an inverse that is a function unless you restrict the domain

Answer 2

f(x) = y. try to express x in terms of y

Answer 3

\[f ^{-1}(x)=\sqrt{x-4} -1\]
the domain should be \[x \ge 4\]

Answer 4

SO is this the answer?