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Mathematics
Mathematics
Problem
Let
f
(
x
)
=
−
x
2
+
4
x
+
1
f(x)=-x^{2}+4x+1
f
(
x
)
=
−
x
2
+
4
x
+
1
for
0
≤
x
≤
5
0\le x\le5
0
≤
x
≤
5
. At which
x
x
x
–value does
f
f
f
attain its absolute maximum on this interval? a)
x
=
5
x=5
x
=
5
b)
x
=
0
x=0
x
=
0
c)
x
=
2
x=2
x
=
2
d)
x
=
1
x=1
x
=
1
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