()=2−2+1+1 f
(
x
)
=
x
2
−
2
x
+
1
x
+
1
()=2−2+1+1
f
(
x
)
=
x
2
−
2
x
+
1
x
+
1

a) Find the critical numbers of

f

f
(if any).

b) Find the open interval(s) on which the function is increasing/decreasing

c) Apply the First Derivative Test to identify all relative extrema

Hurry please!!