Mth 121
Name
_______________________________
PT34F05
S. Garstka
(#34)
Practice Test: Chapter 3 and 4 (2.4 also)
Instructions:
No notes.
Show work for partial credit.
Any indication of dishonesty = 0%.
For
many of these problems, I will assume your answers would be those written on the blackboard
.
1.
Fill in for each of the following:
Sequence
Arithmetic/geometric/neither
next term
20th term
3,
8,
13,
18,
...
_____________________
__________
__________
1,
2,
2,
3,
3,
3,
...
_____________________
__________
__________
2,
8,
32,
128,
...
_____________________
__________
__________
2.
Are the following examples of functions?
(Yes/No)
a)
{(2,3)
(3,5)
(4,6)
(3,8)}
________
b)
__________
Count
Number of toothpicks
1
4
2
7
3
11
4
14
c)
cat
4
dog
4
_____________
bird
2
3.
For a) above, name the domain and range.
4.
For
2
( )
2
5
f x
x
=

, find
( 1)
(3)
f
and f

5.
Draw a diagram that clearly explains the problem 3 + 4 using a
measuremen
t
model
.
6.
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 Fall '11
 Staff
 Addition, __________ Count Number, term 20th term, following division problem

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