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Mathematics
Problem
Which expression represents the average rate of change of the function
f
f
f
on the closed interval
[
3
,
7
]
[3,7]
[
3
,
7
]
? a)
f
(
7
)
−
f
(
3
)
f(7)-f(3)
f
(
7
)
−
f
(
3
)
b)
f
(
7
)
−
f
(
3
)
7
+
3
\dfrac{f(7)-f(3)}{7+3}
7
+
3
f
(
7
)
−
f
(
3
)
c)
f
(
7
)
−
f
(
3
)
7
−
3
\dfrac{f(7)-f(3)}{7-3}
7
−
3
f
(
7
)
−
f
(
3
)
d)
f
(
3
)
−
f
(
7
)
7
−
3
\dfrac{f(3)-f(7)}{7-3}
7
−
3
f
(
3
)
−
f
(
7
)
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