Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A quantity
y
y
y
(in litres) varies with time
t
t
t
(in minutes). Explain the meaning of the statement
y
′
(
2
)
=
−
0.5
y'(2)=-0.5
y
′
(
2
)
=
−
0.5
and state its correct physical units.
Browse the problem library