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Mathematics
Problem
The average value of the function
f
(
x
)
=
k
x
+
3
f(x)=k x+3
f
(
x
)
=
k
x
+
3
on the interval
[
1
,
5
]
[1,5]
[
1
,
5
]
is 10. What is the value of
k
k
k
? a)
7
6
\dfrac76
6
7
b)
7
3
\dfrac73
3
7
c)
2
3
\dfrac23
3
2
d)
19
6
\dfrac{19}{6}
6
19
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