Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Determine algebraically whether
f
(
x
)
=
cos
x
x
f(x) = \frac{\cos x}{x}
f
(
x
)
=
x
c
o
s
x
,
x
≠
0
x \neq 0
x
=
0
is an odd function, an even function or neither.
Browse the problem library