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Mathematics
Mathematics
Problem
Consider the function
f
(
x
)
=
x
3
−
6
x
2
+
9
x
+
2
f(x)=x^{3}-6x^{2}+9x+2
f
(
x
)
=
x
3
−
6
x
2
+
9
x
+
2
. At which
x
x
x
-value does
f
f
f
attain a local minimum? a)
x
=
1
x=1
x
=
1
only b)
x
=
3
x=3
x
=
3
only c)
x
=
1
x=1
x
=
1
\text{ and } x=3 d)
x
=
2
x=2
x
=
2
only
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