Identifying Functions (Tables) Worksheet Template With Answer Key Page 2
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1
2Answer Key
Identifying Functions (Tables)
Name:
Based ONLY on the information presented, determine if the table describes a function
A n s w e r s
(yes) or not (no). In the table x represents the input and y represents the output.
no
1)
2)
3)
X
Y
X
Y
X
Y
1.
25
5
-10
3
-10
-8
no
36
6
-7
-7
-6
-8
2.
49
-7
-5
-10
4
8
yes
3.
64
-8
-5
-5
8
-3
64
8
3
8
9
-10
yes
4.
yes
4)
5)
6)
X
Y
X
Y
X
Y
5.
-5
25
0
9
-10
-2
no
6.
-2
4
2
-2
1
5
2
4
4
-5
4
4
yes
7.
6
36
9
3
5
-10
10
100
10
9
5
-2
yes
8.
yes
7)
8)
9)
9.
X
Y
X
Y
X
Y
-63
-9
-10
100
-6
3
no
10.
-42
-6
-8
64
5
7
14
2
-3
9
6
-8
yes
11.
28
4
3
9
9
-3
49
7
9
81
10
3
no
12.
yes
10)
11)
12)
13.
X
Y
X
Y
X
Y
-7
-9
-10
-2
4
2
yes
14.
-7
-7
-7
1
16
-4
-4
4
-1
7
16
4
no
15.
4
-4
1
9
49
-7
7
7
9
17
100
-10
13)
14)
15)
X
Y
X
Y
X
Y
-10
-12
-2
-7
4
-2
-8
-10
-1
-5
9
-3
-5
-7
2
10
64
-8
-2
-4
8
-5
100
-10
8
6
9
7
100
10
1-10 93 87 80 73 67 60 53 47 40 33
Math
5
11-15 27 20 13 7
0
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