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Mathematics
Mathematics
Problem
Find all real values of
k
k
k
for which the function
f
(
x
)
=
k
x
2
+
3
x
+
5
f(x)=k x^{2}+3x+5
f
(
x
)
=
k
x
2
+
3
x
+
5
is strictly increasing on
R
\mathbb{R}
R
.
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