Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
For the curve given by
x
=
t
e
t
x=t e^{t}
x
=
t
e
t
and
y
=
e
t
y=e^{t}
y
=
e
t
, a horizontal tangent occurs when a)
t
=
−
1
t=-1
t
=
−
1
b)
t
=
0
t=0
t
=
0
c) the curve has no horizontal tangent for any real
t
t
t
d)
t
=
1
t=1
t
=
1
Browse the problem library