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
The above is a function✔ not a function
A
a functionB
✔ not a function4
What is the domain of the function?
A
all real numbers mB
OptionC
Option
6
The above is ✔ a functionnot a function
A
✔ a functionB
not a function7
Which function(s) are also one-to-one?
A
the mapping diagramB
the set of ordered pairs8
Drag the red vertical line to find the y–values:
Answers:
Orange graph:> when x 1, y =:X –2 or 2
Blue graph: when x 1, y =:–2 or 2
9
orange graphblue graph
A
orange graphB
blue graph12
What is the input variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.13
Question text not available
Answers:
Selection 1:{–3, –1, 1}
Selection 2:{–1, 2, 4, 5}
14
Domain: {–1}{–1, 2, 4, 5}✔ {–3, –1, 1}{–3, –1, 1, 2, 4, 5}
Answers:
Selection 1:{–3, –1, 1}
Selection 2:{–1, 2, 4, 5}
16
{ (1, 3), (2, 5), (3, –4), (4, –3), (5, –1) }The above is ✔ a functionnot a function
A
✔ a functionB
not a function17
Blue graph: when x 1, y =
A
–2B
2C
–2 or 218
orange graphblue graph
A
orange graphB
blue graph19
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 220
What is the output variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.Did you find these answers helpful?
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