sakerwalla (hs9229) – HW6 – milburn – (54685)
1
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printout
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have
15
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001
10.0points
Find the
y
intercept of the tangent line at
the point
P
(2
,f
(2)) on the graph of
f
(
x
) = 3
x
2
+ 4
x
+ 1
.
1.
y
intercept = 8
2.
y
intercept =
−
11
3.
y
intercept = 11
4.
y
intercept = 13
5.
y
intercept =
−
8
6.
y
intercept =
−
13
002
10.0points
Find the slope of the secant line passing
through
(
−
3
, f
(
−
3))
,
(2
, f
(2))
when
f
(
x
) = 2
x
2
−
2
x
+ 4
.
1.
slope =
−
18
5
2.
slope =
−
22
5
3.
slope =
−
21
5
4.
slope =
−
4
5.
slope =
−
19
5
003
10.0points
A Calculus student leaves the RLM build
ing and walks in a straight line to the PCL
Library. His distance from RLM after
t
min
utes is given by the graph
2
4
6
8
10
12
min
yards
80
160
240
320
400
What is his speed after 3 minutes, and in
what direction is he heading at that time?
1.
away from RLM at 40 yds/min
2.
towards RLM at 40 yds/min
3.
towards RLM at 30 yds/min
4.
away from RLM at 20 yds/min
5.
away from RLM at 30 yds/min
6.
towards RLM at 20 yds/min
004
10.0points
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 Spring '11
 Millburn
 Derivative, RLM

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