Relations and Functions Answers
21 verified answers
1
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Select all numbers that are in the domain.
A
-3B
-2C
-1D
0E
1F
21
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Complete the inequality below to describe the domain of the graph shown.Domain: 4
Answer:
-4
1
The above is
A
a functionB
not a function1
The above is
A
a functionB
not a function1
Orange graph:> when x 1, y =
A
–2B
2C
–2 or 21
What is the input variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.1
Blue graph: when x 1, y =
A
–2B
2C
–2 or 21
Evaluate f(2) = .
Answer:
2
2
Select all numbers that are in the range.
A
-3B
-2C
-1D
0E
1F
22
{ (1, 3), (2, 5), (3, –4), (4, –3), (5, –1) }The above is
A
a functionB
not a function2
Which function(s) are also one-to-one?
A
the mapping diagramB
the set of ordered pairs2
Question text not available
A
orange graphB
blue graph2
What is the output variable?
A
m, the number of movies.B
c, the total cost.C
$14.99, the one-time charge.
3
Question text not available
A
orange graphB
blue graph3
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 23
Think about the relationship. Which equation models the cost c(m), of renting m movies?
A
c(m) = 3m – 14.99B
c(m) = 3m + 14.99C
c(m) = 14.99m + 34
What is the domain of the function?
A
all real numbers mB
OptionC
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