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Mathematics
Mathematics
Problem
If
f
′
(
x
)
=
7
x
6
f'(x)=7x^{6}
f
′
(
x
)
=
7
x
6
for all real
x
x
x
, what is the exponent of
x
x
x
in the original function
f
(
x
)
f(x)
f
(
x
)
? a) 5 b) 8 c) 7 d) 6
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