Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Explain why the composite function
h
(
x
)
=
f
(
g
(
x
)
)
h(x)=f\bigl(g(x)\bigr)
h
(
x
)
=
f
(
g
(
x
)
)
can have a horizontal tangent at a point even when
g
′
(
x
)
≠
0
g'(x)\neq 0
g
′
(
x
)
=
0
at that point.
Browse the problem library