Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
For two real functions f and g, the composite
g
∘
f
g\circ f
g
∘
f
is defined by a)
f
(
g
(
x
)
)
f\bigl(g(x)\bigr)
f
(
g
(
x
)
)
b)
g
(
x
)
+
f
(
x
)
g(x)+f(x)
g
(
x
)
+
f
(
x
)
c)
g
(
f
(
x
)
)
g\bigl(f(x)\bigr)
g
(
f
(
x
)
)
d)
g
(
x
)
f
(
x
)
g(x)\,f(x)
g
(
x
)
f
(
x
)
Browse the problem library