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The approximation of the area under f ( x ) on [
Undergraduate
The approximation of the area under f ( x ) on [ 1 , 3 ] with 4 subintervals is the sum of the 4
The approximation of the area under
f
(
x
)
on
[
1
,
3
]
with
4
subintervals is the sum of the
4
corresponding rectangles of height,
f
(
xi
)
,
where
xi
is the sample point, times width,
x
.
A
(
f
(
x
1
)
+
f
(
x
2
)
+
f
(
x
3
)
+
f
(
x
4
)
)
x
=
1
2
f
(
1
)
+
f
3
2
+
f
(
2
)
+
f
5
2
Using
f
(
x
)
=
2
2
x
2
+
4
x
2
,
find the four values
f
(
1
)
,
f
3
2
,
f
(
2
)
,
f
5
2
.
f
(
1
)
=
f
3
2
=
f
(
2
)
=
f
5
2
=
Step by Step Solution
1
Understanding Responsive Design Principles
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