Answers2627 ALGEBRA II AFunction Operations

Function Operations Answers

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1
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Select all numbers that are in the domain.

A
-3
B
-2
C
-1
D
0
E
1
F
2
2
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Blue graph: when x 1, y =

A
–2
B
2
C
–2 or 2
3

What is the domain of the function?

A
all real numbers m
B
Option
Option B
C
Option
Option C
4

Select all numbers that are in the range.

A
-3
B
-2
C
-1
D
0
E
1
F
2
5

The above is

A
a function
B
not a function
6

{ (1, 3), (2, 5), (3, –4), (4, –3), (5, –1) }The above is

A
a function
B
not a function
7

The above is

A
a function
B
not a function
8

Orange graph:> when x 1, y =

A
–2
B
2
C
–2 or 2
9

What is the input, or independent variable?

A
f(x)
B
x
C
y
10

What is the output, or dependent variable or quantity?

A
x
B
f(x)
C
y
11

What does the notation f(2) mean?

A
multiply f by 2
B
the output (y-value) when x = 2
C
the value of x when the output is 2
12

What is the input variable?

A
m, the number of movies.
B
c, the total cost.
C
$14.99, the one-time charge.
13

What is the output variable?

A
m, the number of movies.
B
c, the total cost.
C
$14.99, the one-time charge.
14

Think about the relationship. Which equation models the cost c(m), of renting m movies?

A
c(m) = 3m – 14.99
B
c(m) = 3m + 14.99
C
c(m) = 14.99m + 3

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