Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
f
(
x
)
=
∣
x
−
1
∣
+
∣
x
+
1
∣
f(x) = |x - 1| + |x + 1|
f
(
x
)
=
∣
x
−
1∣
+
∣
x
+
1∣
. Discuss the continuity and differentiability of the function.
Browse the problem library