The plot below represents the function
f
(
x
)



1
2
3
4
5
-1
-2
-3
-4
-5
1
2
3
4
5
6
7
8
-1
-2


Evaluate
f
(
4
)


f
(
4
)
=


Solve
f
(
x
)
=
4


x
=