Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Given
f
(
x
)
=
x
3
+
k
x
2
+
3
x
−
1
f(x)=x^{3}+kx^{2}+3x-1
f
(
x
)
=
x
3
+
k
x
2
+
3
x
−
1
, determine the range of
k
k
k
for which
f
f
f
is strictly increasing for all real
x
x
x
.
Browse the problem library