Respuesta :
f
(
x
+
2
)
=
3
x
+
10
Explanation:
f
(
x
+
2
)
means replace all the
x
s
with
(
x
+
2
)
f
(
x
)
=
3
x
+
4
f
(
x
+
2
)
=
3
(
x
+
2
)
+
4
Now simplify
f
(
x
+
2
)
=
3
x
+
6
+
4
f
(
x
+
2
)
=
3
x
+
10
(
x
+
2
)
=
3
x
+
10
Explanation:
f
(
x
+
2
)
means replace all the
x
s
with
(
x
+
2
)
f
(
x
)
=
3
x
+
4
f
(
x
+
2
)
=
3
(
x
+
2
)
+
4
Now simplify
f
(
x
+
2
)
=
3
x
+
6
+
4
f
(
x
+
2
)
=
3
x
+
10
