Let
f
(
x
)
=
3
x
+
3
f
(
x
)
=
3
x
+
3
and
g
(
x
)
=
x
2
+
x
+
2
g
(
x
)
=
x
2
+
x
+
2
. Evaluate the following.
a
.
a
.
f
(
2
)
f
(
2
)
=
b
.
b
.
f
(
−
3
)
f
(
-
3
)
=
c
.
c
.
g
(
−
2
)
g
(
-
2
)
=
d
.
d
.
g
(
3
)
g
(
3
)
=
e
.
e
.
f
(
a
−
3
)
f
(
a
-
3
)
=
f
.
f
.
g
(
a
−
3
)
g
(
a
-
3
)
=