Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Let
f
f
f
be an even function and
f
′
(
0
)
f'(0)
f
′
(
0
)
exists, then
f
′
(
0
)
f'(0)
f
′
(
0
)
is a. 1 b. 0 c. -1 d. -2
Browse the problem library