Relations and Functions Answers
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1
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Select all numbers that are in the domain.
A
-3B
-2C
-1D
0E
1F
22
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Select all numbers that are in the range.
A
-3B
-2C
-1D
0E
1F
23
Find the values of a and b that complete the mapping diagram.a = b =
Answers:
Find the values of a and b that complete the mapping diagram.a =:0
Find the values of a and b that complete the mapping diagram.a =:1
4
What is the domain of the function?
A
all real numbers mB
OptionC
Option
7
The above is
A
a functionB
not a function8
The above is
A
a functionB
not a function9
Orange graph:> when x 1, y =
A
–2B
2C
–2 or 211
What is the input variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.12
Blue graph: when x 1, y =
A
–2B
2C
–2 or 213
Evaluate f(2) = .
Answer:
2
14
{ (1, 3), (2, 5), (3, –4), (4, –3), (5, –1) }The above is
A
a functionB
not a function15
Which function(s) are also one-to-one?
A
the mapping diagramB
the set of ordered pairs16
Question text not available
A
orange graphB
blue graph18
What is the output variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.19
Question text not available
A
orange graphB
blue graph20
What does the notation f(2) mean?
A
multiply f by 2B
the output (y-value) when x = 2C
the value of x when the output is 2Did you find these answers helpful?
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