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MAC231117, Review Set for Chapter 2 (Sections 2.1 – 2.8)
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Answer Key
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View Full DocumentStudent’s Name:
MAC231117, Review Set for Chapter 2 (Sections 2.1 – 2.8)
Page
2 of 3
1.
The displacement (in meters) of an object moving in a straight line is given by
2
1 2
/ 4
s
t
t
= +
+
, where t is
measured in seconds. Find the average velocity over the time period [1,1.5] .
2.
If an arrow is shot upward on the moon with a velocity of 57 m/s, its height in meters after
t
seconds is given
by
2
82
.
0
57
t
t
h

=
. Find the instantaneous velocity after one second.
Select the correct answer.
a.
55.46
b.
55.35
c.
55.25
d.
55.36
e.
55.37
3.
Given that,
3
)
(
lim
7

=
→
x
f
x
and
9
)
(
lim
7
=
→
x
g
x
.
Evaluate the limit.
)
(
)
(
)
(
2
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 Fall '08
 Noohi
 Calculus, Derivative, Correct Answer, Continuous function, 57 m/s

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