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Mathematics
Mathematics
Problem
Find the set of values of
k
k
k
for which the function
f
(
x
)
=
x
3
+
k
x
2
+
k
x
−
2
f(x) = x^3 + kx^2 + kx - 2
f
(
x
)
=
x
3
+
k
x
2
+
k
x
−
2
is strictly increasing for all
x
∈
R
x \in \mathbb{R}
x
∈
R
.
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