1.

Consider f:R+ →[4, ∞)given by f(x)= x2+ 4. Show that fis invertible with the inverse f−1of given f by,where R+is the set of all non-negative real numbers.

Answer»

Consider f:
R+
[4,
)
given by
f(x)
=
x2
+ 4. Show that
f
is invertible with the inverse
f−1
of given
f by,
where
R+
is the set of all non-negative real numbers.



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