Function Machine - Determining Rule - Function Worksheet With Answers Page 10
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20Answer Key
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
D
1.
18
25
3
21
4
32
79
86
6
42
2
16
C
2.
66
73
2
14
3
24
45
52
7
49
10
80
D
3.
80
87
8
56
8
64
If each input is 'Q' which
If each input is 'Q' which
If each input is 'Q' which
B
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 - 7
B. Q + 9
A. Q ÷ 7
B. Q - 7
A. Q × 7
B. Q + 9
5.
C. Q ÷ 7
D. Q + 7
C. Q × 7
D. Q × 7
C. Q ÷ 8
D. Q × 8
A
6.
A
7.
4)
5)
6)
In
Out
In
Out
In
Out
34
35
104
90
114
97
B
8.
94
95
92
78
39
22
68
69
113
99
60
43
D
9.
46
47
43
29
84
67
54
55
52
38
101
84
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 + 3
B. Q + 1
A. Q - 8
B. Q - 14
A. Q - 17
B. Q - 4
C. Q × 9
D. Q ÷ 1
C. Q × 14
D. Q + 14
C. Q × 17
D. Q ÷ 17
7)
8)
9)
In
Out
In
Out
In
Out
32
8
8
72
38
57
36
9
3
27
69
88
16
4
10
90
40
59
40
10
6
54
97
116
24
6
2
18
17
36
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 ÷ 4
B. Q ÷ 8
A. Q × 5
B. Q × 9
A. Q + 9
B. Q × 6
C. Q - 4
D. Q - 3
C. Q ÷ 9
D. Q × 7
C. Q ÷ 19
D. Q + 19
1-9
89 78 67 56 44 33 22 11 0
5
Math
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