4.
4/4 points |
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SCalcET7 10.1.024.
Match the graphs of the parametric equations
x
=
f
(
t
) and
y
=
g
(
t
) in (a)
−
(d) with the parametric curves labeled I
−
IV.
I
II
III
IV
(a)
III
III
(b)

I
I
(c)
IV
IV
(d)
II
II
Solution or Explanation
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5.
6/6 points |
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SCalcET7 10.1.028.
Match the graphs with their parametric equations.
II

I
III
IV
V
VI

V
I
t
2
=
t
)
t
t
t
2

III
III
Solution or Explanation
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6.
1/1 points |
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SCalcET7 10.1.042.
If
a
=
5
and
b
=
3
, find parametric equations for the curve that consists of all possible positions of the point
P
in the figure, using the angle
as the parameter. The line segment
AB
is tangent to the larger circle. (Enter your answer as a comma-separated list of equations. Let
x
and
be in terms of
θ
.)
θ
y
Solution or Explanation
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7.
1/1 points |
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SCalcET7 13.1.001.MI.
Find the domain of the vector function. (Enter your answer using interval notation.)
Solution or Explanation
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8.
1/1 points |
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SCalcET7 13.1.003.
Find the limit.
Solution or Explanation
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9.
1/1 points |
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SCalcET7 13.1.007.
Sketch the curve with the given vector equation. Indicate with an arrow the direction in which
t
increases.