Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
If for and , then find…
MATHEMATICS · Subjective
Problem
If
e
f
(
x
)
=
10
+
x
10
−
x
e^{f(x)}=\frac{10+x}{10-x}
e
f
(
x
)
=
10
−
x
10
+
x
for
x
∈
(
−
10
,
10
)
x\in(-10,10)
x
∈
(
−
10
,
10
)
and
f
(
x
)
=
k
f
(
200
x
100
+
x
2
)
f(x)=k f\left(\frac{200x}{100+x^2}\right)
f
(
x
)
=
k
f
(
100
+
x
2
200
x
)
, then find
k
k
k
.
Related theory
Logarithmic Functions
Functions
Browse the problem library