Current Score :
36 / 36
Due :
Thursday, October 16 2014 11:00 PM PDT
1.
1/1 points |
Previous Answers
SCalcET7 10.2.002.
Find
dy
/
dx
.
Solution or Explanation
Click to View Solution
2.
2/2 points |
Previous Answers
SCalcET7 10.2.009.
Find an equation of the tangent to the curve at the given point.
y
=
Graph the curve and the tangent.
Math 126 Sections 10.2 and 13.2 (7th ed) (Homework)
ZHENG ZHOU
MATH 126, section B, C, & D, Fall 2014
Instructor: Jennifer Taggart
WebAssign
The due date for this assignment is past.
Your work can be viewed below, but no changes can be made.
x
=
7
/
t
,
y
=
e
−
t
t
x
=
4
sin
t
,
y
=
t
2
+
t
,
(0, 0)

Solution or Explanation
Click to View Solution
3.
3/3 points |
Previous Answers
SCalcET7 10.2.013.
Find
For which values of
t
is the curve concave upward? (Enter your answer using interval notation.)
dy
/
dx
and
d
2
y
/
dx
2
x
=
e
t
,
y
=
te
=
=
dy
dx
d
2
y
dx
2
.
−
t
dt
−
te
t
)
d
)
)
2

4.
3/3 points |
Previous Answers
SCalcET7 10.2.025.
Show that the curve
has two tangents at (0, 0) and find their equations.