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MA 15200
Exam 3A
Spring 2011
1
1)
Which equation of a line is
perpendicular
to the line
and passing
through the point
.
2)
The frequency (in cycles per second) of a vibrating string
varies inversely
as its
length.
Suppose a piano string 2 feet long vibrates 240 cycles per second.
What
would be the frequency of a string 5 feet long?
A
64 cycles per second
B
80 cycles per second
C
24 cycles per second
D
600 cycles per second
E
96 cycles per second
3)
If
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Exam 3A
Spring 2011
2
4)
Which pairs of functions,
, are inverses?
5)
Graph the function
in the coordinate system provided.
Which
statement about the graph is
false
?
A
The
y
intercept is 1.
B
The domain of the function is
.
C
The graph is never in quadrant III.
D
The graph is always increasing.
E
The graph contains the point (3, 8).
6)
Convert
to equivalent exponential form.
MA 15200
Exam 3A
Spring 2011
3
7)
Evaluate this logarithmic expression:
8)
The percentage of first year college women who agreed with the statement, ‘The
activities of married women are best confined to the home and family’, can be
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This note was uploaded on 09/11/2011 for the course MATH 152 taught by Professor staff during the Fall '09 term at Purdue UniversityWest Lafayette.
 Fall '09
 Staff

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