Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Describe whether the particle is speeding up or slowing down at a time
t
t
t
when
f
′
(
t
)
>
0
f'(t)>0
f
′
(
t
)
>
0
and
f
′
′
(
t
)
<
0
f''(t)<0
f
′′
(
t
)
<
0
.
Browse the problem library