If f(x)=x+2/3x+5 then f Prime x =
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Answer:
f
(
x
)
means a function of
x
. In this case the function of
x
is
3
x
−
5
So if you have
f
(
2
)
you're applying the function with your value of
x
as 2, so we simply substitute 2 into the equation where there is an
x
so in this case:
f
(
x
)
=
3
x
−
5
f
(
2
)
=
3
(
2
)
−
5
f
(
2
)
=
(
3
⋅
2
)
−
5
f
(
2
)
=
6
−
5
f
(
2
)
=
1
Step-by-step explanation:
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