# Function Machine - Determining Rule - Function Worksheet With Answers

Name:
Function Machine - Determining Rule
Determine which number sentence best matches the function machine.
A n s w e r s
1)
2)
3)
In
Out
In
Out
In
Out
A
1.
10
40
30
3
98
92
2
8
100
10
40
34
C
2.
4
16
50
5
15
9
7
28
90
9
32
26
A
3.
8
32
80
8
73
67
If each input is 'Q' which
If each input is 'Q' which
If each input is 'Q' which
C
4.
rule could the function
rule could the function
rule could the function
machine be using?
machine be using?
machine be using?
B
A. Q × 4
B. Q + 2
A. Q × 10
B. Q ÷ 6
A. Q - 6
B. Q ÷ 9
5.
C. Q ÷ 4
D. Q + 6
C. Q ÷ 10
D. Q ÷ 2
C. Q ÷ 6
D. Q × 6
A
6.
D
7.
4)
5)
6)
In
Out
In
Out
In
Out
14
27
2
16
50
37
D
8.
72
85
8
64
28
15
35
48
10
80
69
56
D
9.
78
91
5
40
109
96
21
34
3
24
61
48
If each input is 'Q' which
If each input is 'Q' which
If each input is 'Q' which
rule could the function
rule could the function
rule could the function
machine be using?
machine be using?
machine be using?
A. Q × 7
B. Q + 7
A. Q × 4
B. Q × 8
A. Q - 13
B. Q ÷ 3
C. Q + 13
D. Q × 13
C. Q + 7
D. Q × 3
C. Q ÷ 5
D. Q - 5
7)
8)
9)
In
Out
In
Out
In
Out
9
27
62
58
21
7
7
21
92
88
30
10
10
30
102
98
9
3
5
15
66
62
24
8
3
9
38
34
15
5
If each input is 'Q' which
If each input is 'Q' which
If each input is 'Q' which
rule could the function
rule could the function
rule could the function
machine be using?
machine be using?
machine be using?
A. Q + 7
B. Q + 6
A. Q × 4
B. Q ÷ 9
A. Q - 3
B. Q - 6
C. Q ÷ 3
D. Q × 3
C. Q - 2
D. Q - 4
C. Q + 3
D. Q ÷ 3
1-9
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