Exam 1
-
Yellow Version
Name:
Thero arc multiple versions to protect oxaininatioii integrity. Write the answers in the
underlined space provided. Each answer has equal weight.
1.
A
2.
K)
3.
CItX16
14.
(çLyi5p
15.
4,
16.
t
5.
‘3
c%Lo
fl?
R-°
‘t
(tis)
17.
6.
18.
7.
19.
8.
20.
9.
21.
10.
22.
11.
23.
12.
24.
* *
**
**
* *
**
E-)
9
1
L2
(-7o)
cj
(O))
tJc,
**
25.
3
a
oG1-
x
* *
**
**
4(
26. id
28.
g(x) =
30.
f(x)=!
31.
g(x)
)
27.
f(s) = 2
32.
f(s)
29. h(s)
=
33.
_1
—
—
g(x)
3
.;L
)
L
•
—6
.
(q,)
For # 1—3, decide whether the
following sequences
are
either arithmetic, geometric, or
neither.
1.
—6,—i,4,9,...
2,
1,4,16,64,...
3.
125,25,5,,...
4.
What is the 71st term
I
in
I
the sequence —8, —5, —2,1,...?
—
—%
5.
4
-r’O
What is the 12th term in the sequence 125, 25, 1, ...?
12c
()
(I2)
)
‘
100
6.
i as an integer in standard
Write
ft)rln.
Qc)
7.
Write (2i
—
5) as an integer in standard form.
c-
(ai-
300
8.
Write (—7) as an integer in standard form.
-R
9.
What is the sum of the first 60 terms of the sequence 7, 17, 27, 37,...? (Your
answer should be an integer in standard form.)
7
O-1)=
10.
What does the following
SU
equal: 4 +
+
+
+
Y5
2/
11.
work at a kennel that has 28 puppies. You need to decide to give each one a
distinct ID collar. HOW many different decisions can you make?
12.
You need to select a dinner. You can choose from 6 salads, 6 maui dishes, 10 sides,
and 3 desserts. You will choose one salad, one main dish, one side, and one dessert.
How many different dinners can you select?
You
& lo
U
1o’o
13.
There are 18 people in a student spirit club. They need to select leaders: a
president, a secretary, and a treasurer. How many ways can this club select its
leaders?
14.
A cake shop sells 30 different kinds of cakes. You need to choose 5 different types
of cakes. How many different selections do you have to choose from?
15.
What is
()?
(Your answer should be a natur number in standard form.)
16.
If
f(x)
=
5x + 1 and g(x)
=
, then what is g o
2
x
f(x)?
t
Z-
-
fa/—
‘?(
-
-4!
17.
What is the implied domain of
f(x)
=
2 + 5x + 2?
5x
18.
What is the implied domain of g(x)
=
2x + 1
2x—9
Below is a graph of a function
f(x).
Use this graph to answer questions
1.
—Li
f(3)?
What is
20.
What is the domain of
21.
What
22.
23.
2 ‘/
f?
is the range of f?
-t
—
—
19.
?(
‘-1
c.
cj)
What are the x-intercepts of the graph of f?
What is the y-intercept of the graph of f?
2
()
(o)
#
19
-
23.
24. Is the picture below the graph of a function?
25. Write the product (2z
—
3)3
using the Binomial Theorem. Your answer should not
include numbers that look like
)(-V
P)(2(3)
(
L
26. Graph id.
27. Graph
f(x)
=
28. Graph g(x)
2.
.
2
x
29. Graph h(s)
=
30. Graph
f(s)
=
31. Graph
g(x)
=
32. Graph
f:
(—1,3) —f R where
33. Graph g: {1, 2,3, 4}
—÷
f(s)
=
R where h(s)
=
—4s + 9.