Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Suppose
f
(
x
)
=
2
x
−
5
f(x) = 2x - 5
f
(
x
)
=
2
x
−
5
and
g
(
x
)
=
3
x
+
1
g(x) = 3x + 1
g
(
x
)
=
3
x
+
1
. (a) Find
(
f
∘
g
)
(
x
)
(f \circ g)(x)
(
f
∘
g
)
(
x
)
. (b) Solve
(
f
∘
g
)
(
x
)
=
f
(
x
+
3
)
(f \circ g)(x) = f(x + 3)
(
f
∘
g
)
(
x
)
=
f
(
x
+
3
)
.
Browse the problem library