Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
If
f
(
x
+
y
)
=
f
(
x
)
f
(
y
)
f(x+y) = f(x)f(y)
f
(
x
+
y
)
=
f
(
x
)
f
(
y
)
∀
x
,
y
\forall x, y
∀
x
,
y
and
f
(
x
)
≠
0
f(x) \neq 0
f
(
x
)
=
0
,
f
′
(
0
)
=
3
f'(0) = 3
f
′
(
0
)
=
3
; and function is differentiable then
f
′
(
5
)
f'(5)
f
′
(
5
)
is equal to
Browse the problem library