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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
x
4
−
4
x
2
+
3
f(x)=x^{4}-4x^{2}+3
f
(
x
)
=
x
4
−
4
x
2
+
3
. Which of the following
x
x
x
-values is a location of a relative (local) maximum of
f
f
f
? a)
x
=
2
x=2
x
=
2
b)
x
=
0
x=0
x
=
0
c)
x
=
2
x=\sqrt{2}
x
=
2
d)
x
=
2
3
x=\sqrt{\dfrac{2}{3}}
x
=
3
2
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