()=−2+5()=2−4+1,ℎ.
I
f
f
(
x
)
=
−
2
x
+
5
a
n
d
g
(
x
)
=
x
2
−
4
x
+
1
,
f
i
n
d
e
a
c
h
v
a
l
u
e
.



f(x + 2) = ?