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Mathematics
Problem
Find the average value of
f
(
x
)
=
3
x
2
f(x)=3x^{2}
f
(
x
)
=
3
x
2
on the interval
[
1
,
3
]
[1,3]
[
1
,
3
]
. a)
26
26
26
b)
13
13
13
c)
15
15
15
d)
12
12
12
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