AnswersOC27 ALG 2-1200330-S1-Degele-VOL7006PRelations and Functions

Lesson 1.1: Relations and Functions Answers

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What is the domain of the relation graphed below?

Question illustration
A
domain: {–5, –4, –3, –2, 0, 1, 2, 3, 4, 5}
B
domain: {–3, –2, 0, 1, 4}
C
domain: {–5, –4, –3, 1, 2, 5}
D
domain: {(–5, 0), (–4, 1), (–3, 4), (1, –2), (2, 4), (5, –3)}
2
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What is the range of the relation in the table below?xy–20–12041220

A
range:
Option A
B
range:
Option B
C
range:
Option C
D
range:
Option D
3

Which set represents the same relation as the graph below?

Question illustration
A
StartSet (4, negative 5), (negative 2, negative 3), (Negative 2, negative 1), (0, 2), (3, 3), (5, 4), (negative 4, 6) EndSet
Option A
B
StartSet (negative 5, 4), (negative 3, negative 2), (negative 1, negative 2), (2, 0), (3, 3), (4, 5), (6, negative 4) EndSet
Option B
C
StartSet (negative 5, 4), (negative 3, negative 1), (3, 3), (4, 5), (6, negative 4) EndSet
Option C
D
StartSet (4, negative 5), (negative 3, 2), (negative 1, 2), (2, 0), (4, 5), (6, 4) EndSet
Option D
4

Given , what is ?

Question illustration
A
Negative 10
Option A
B
Negative 6
Option B
C
6
Option C
D
14
Option D
5

Which set represents the same relation as the table below?xf(x)054269910

A
StartSet (0, 5), (4, 2), (6, 9), (9, 10) EndSet
Option A
B
StartSet (5, 0), (2, 4), (9, 6), (10, 9) EndSet
Option B
C
StartSet 0, 2, 4, 5, 6, 9, 10 EndSet
Option C
D
StartSet 2, 5, 9, 10 EndSet
Option D
6

For what value of is the relation a function?

Question illustration
A
–1
B
1
C
2
D
12
7

In which function is x = 2 mapped to 32?

A
f (x) = Negative 3 x squared minus 4
Option A
B
g (x) = 4 (x + 3) squared minus 68
Option B
C
h (x) = 3 x
Option C
D
j (x) = 2x minus 62
Option D
8

Which function rule models the function over the domain specified in the table below?xf(x)–7–11–1139411717

A
f(x) = 3x + 10
B
f(x) = 2x + 3
C
f(x) = 4x + 5
D
f(x) = 3x – 10
9

Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation.

A
the set of tree heights and the set of trees in a forest
B
the set of car make and models and the set of people in a certain town
C
the set of birthdays and the set of students in a class
D
the set of people with Social Security cards and the set of Social Security numbers
10

Which relation represents a function?

A
StartSet (0, 0), (2, 3), (2, 5), (6, 6) EndSet
Option A
B
StartSet (3, 5), (8, 4), (10, 11), (10, 6) EndSet
Option B
C
StartSet (negative 2, 2), (0, 2), (7, 2), (11, 2) EndSet
Option C
D
StartSet (13, 2), (13, 3), (13, 4), (13, 5) EndSet
Option D

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