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Finite Math Examples
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Finite Math
Evaluate the Function f(x)=2x+1 , fg(x)=9x+3
f
(
x
)
=
2
x
+
1
f
(
x
)
=
2
x
+
1
,
f
g
(
x
)
=
9
x
+
3
f
g
(
x
)
=
9
x
+
3
Step 1
Replace the
variable
f
f
with
9
x
+
3
9
x
+
3
in the
expression
.
9
x
+
3
(
x
)
=
2
x
+
1
9
x
+
3
(
x
)
=
2
x
+
1
Step 2
The final answer is
2
x
+
1
2
x
+
1
.
2
x
+
1
2
x
+
1
Step 3
⎡
⎢
⎣
x
2
1
2
√
π
∫
x
d
x
⎤
⎥
⎦
[
x
2
1
2
π
∫
x
d
x
]
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