CS 206 Exam 2 Review Problems
Fall, 2009
This exam will be over material from
•
Worksheet 4, Sections 4.10  4.11,
•
Worksheet 5, Sections 5.2  5.5.1.
Problem 1:
For each of the functions given below, describe what kind function it is, what kind of graph
is most appropriate for the function, and give the name of the Maple command that can draw the
appropriate graph.
•
(a)
+
(
)
→
x
(
)
ln
x
(
)
→
y
(
)
sin
y
•
(b)
=
(
)
f
,
x y
(
)
,
,
+
(
)
ln
x
(
)
sin
y
+
(
)
ln
x
(
)
sin
y
+
(
)
ln
x
(
)
sin
y
•
(c)
+
ln
sin
•
(d)
→
x
(
)
,
(
)
ln
x
(
)
sin
x
•
(e)
+
(
)
ln
x
(
)
sin
y
•
(f)
→
(
)
,
x y
(
)
,
(
)
ln
x
(
)
sin
y
•
(g)
→
u
(
)
,
,
(
)
ln
u
(
)
sin
u
0
•
(h)
→
x
+
(
)
ln
y
(
)
sin
x
Problem 2:
Part (a) A student wanted to graph a circle and used the following command. What result
did the student get? What did the student do wrong? What would be the correct command?
>
plot( [sin, cos], 0..2*Pi );
Part (b) A student wanted to graph a circle and used the following command. What result did the student
get? What did the student do wrong? What would be the correct command?
>
plot( x^2+y^2=1, x=2..2, y=2..2 );
Problem 3:
A student entered the following command into Maple and received an error message.
>
plot( [ t, cos(2*Pi*t), sin(2*Pi*t), t=0..2 ] );
The student was probably trying to draw one of two possible kinds of graphs. Explain what the two
graphs are that the student might have been trying to draw. Give the correct Maple command for each of
the two graphs.
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Problem 4:
The equation
=
 
x
2
x
2
0 has only one variable in it, but there is nothing that stops us
from graphing this equation as an equation in two or three variables.
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 Fall '09
 xxx
 Derivative, real valued function, Maple command

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