Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Problem
Problem
Given
f
(
x
)
=
x
+
3
x
+
2
f(x) = \frac{x+3}{x+2}
f
(
x
)
=
x
+
2
x
+
3
and
g
(
x
)
=
x
+
1
x
−
1
g(x) = \frac{x+1}{x-1}
g
(
x
)
=
x
−
1
x
+
1
, find in simplest form: In each case, find the domain of the composite function. a.
a
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
b.
b
(
g
∘
f
)
(
x
)
(g \circ f)(x)
(
g
∘
f
)
(
x
)
c.
c
(
g
∘
g
)
(
x
)
(g \circ g)(x)
(
g
∘
g
)
(
x
)
Browse the problem library