Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Explain why the function
f
(
x
)
=
x
3
f(x)=x^{3}
f
(
x
)
=
x
3
defined on
R
\mathbb{R}
R
has an inverse, whereas
g
(
x
)
=
x
2
g(x)=x^{2}
g
(
x
)
=
x
2
on
R
\mathbb{R}
R
does not.
Browse the problem library