Question 2 (Multiple Choice Worth 5 points)
[3.02] If A = {positive integers divisible by 2} and B = {integers}, what is A ∩ B?
{}
{2, 4, 6, 8 …}
{2, 4, 6, 8, 10}
{1, 2, 3, 4, 5 …}
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Question 3 (Multiple Choice Worth 5 points)
[3.02] If C = {integers divisible by 2 from 1 to 20} and D = {integers divisible by 6 from 1 to 25}, what is C
∩ D?
{2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 24}
{6, 12, 18}
{6, 12, 18, 24}
{}
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Question 4 (Multiple Choice Worth 5 points)
[3.02] If A = {2, 4, 6, 8, 10, 12, 14} and B = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, what is A B?
{}
{1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 8, 8, 9, 10, 10, 12, 14}
{2, 4, 6, 8, 10}
{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14}
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Question 5 (Yes/No Worth 5 points)
[3.05] Is the following relation a function?
xy
-2 to 8
0 to 1
5 to 3
7 to 5
Yes
No
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Question 6 (Multiple Choice Worth 5 points)
[3.03] If N = {integers} and subset C = {integers divisible by 10}, what is C'?
{integers except those divisible by 10}
{}
{10, 20, 30, 40, …}
{integers}
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Question 7 (Multiple Choice Worth 5 points)
[3.03] If S = {integers} and subset B = {positive integers}, what is B'?
{…,−3, −2, −1}
{integers}
{}
{1, 2, 3, 4, …}
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Question 8 (Multiple Choice Worth 5 points)
[3.06] If f(x) = 2x2 + 4, find f(3).
22
16
−0.5
40
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Question 9 (Multiple Choice Worth 5 points)
[3.06] If h(x) = −4x − 10, find h(−5).
−30
1.25
10
−1
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Question 10 (Multiple Choice Worth 4 points)
[3.01] Choose the correct statement about the given Venn Diagram.
4 people had cake.3 people had cookies.8 people had cake and cookies.
2 people had neither.
A total of 15 people were surveyed.
Everyone surveyed like cake and cookies.
A total of 3 people surveyed like cookies.
A total of 12 people surveyed like cake.
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Question 11 (Multiple Choice Worth 5 points)
[3.05] Which of the following does not represent a function?
x 6 7 9 12 22
y 2 6 5 −5 −4
x35653
y12345
x −4 −5 −6 −7 −8
y 3 2 1 0 −1
x01348
y15567
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Question 12 (Multiple Choice Worth 5 points)
[3.06] Given the function f(x) = 2(x + 6), find x if f(x) = 22.
56
5
38
17
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Question 13 (Multiple Choice Worth 4 points)
[3.01]
Which of the following is a subset of the set
A: {integers divisible by 4 from 1 and 40}
{12, 16, 20, 24}
{40, 44, 48}
{integers divisible by 2 from 0 to 40}
{0, 4, 8, 12 …}
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Question 14 (Multiple Choice Worth 5 points)
[3.05] The domain of the following relation: R: {(3, 5), (8, 6), (2, 1), (8, 6)} is
No domain exists
{1, 5, 6}
{3, 8, 2, 8}
{2, 3, 8}
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Question 15 (Multiple Choice Worth 4 points)
[3.01]
Which of the following does not represent the set of even integers from 2 to 14?
{2, 4, 6, 8, 10, 12, 14}
{2, 4, 6 …}
{2, 4, 6 … 12, 14}
{even integers from 2 to 14}
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Question 16 (Multiple Choice Worth 5 points)
[3.05] Given the function g(x) = 8x − 2, find g(−2).
14
0.5
−18
−14
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Question 17 (Multiple Choice Worth 5 points)
[3.03] Let A = {1, 2} and let B = {3, 4, 5}. Find A X B.
{1, 2, 3, 4, 5}
{(1, 3), (1, 4), (1, 5), (2, 3), (2, 4), (2, 5)}
{}
{1, 2}