iViath 1050-003: Quiz 1
JaHuary 21, 2015
oion S
Name:
Answer the questions in the space provided. SHOW ALL WORN and circle or box
final answer. You may use your notes. textbook, and homework. but the use of any
electronic device is riot permitted.
1. (4 points) Determine whether the following statements are true or false, and explain why.
No points will be given if there is no explanation.
2 \ a
( i-e
be
Fa\se. -1
[—tH•)’
\fla) -2EQ
—
lOthU’Cd
1’
(b) (-1,4]c[--1,4)
—
-
mbe
S
ir’C\uct
rue An ob.ec
(c) {1,5}C{1,5,8}
Tr.
Gc
1’v-e
iIt
secrd .e*-,
11—e
“
(ci) {/.194,}cR
(€CI
2. (4 points) Write the interval for the following picture using bracket not ation:
-2
-3
[-2
-1
3. (4 points) Suppose
f
: N
—
is defined by
f(x)
=
2x
—
4.
(a) What is 1(3)?
1(3)
(b) What is
--
f(—3)?
1(-3
1’JE.
‘DecciuSe-
—
+
4. (4 points) Suppose you are given the following sequence: —2,2,6, 10, 11,
(a) Is this an arithmetic or geometric sequence?
G(*--\et1C) a9
(b) What is a
?
1
1
a
=
(c) What is the general formula to find the k
t’
1 term in this sequence?
(d) \Vhat is the lO1 number in this sequence? \Vrite this number as an integer.
—Li-
itWO
—2
1
bC-U
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pttt
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