Functions Worksheet - Big Ideas Math Prealgebra: A Florida Standards Curriculum Teaching Edition Page 8
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47Exercises
6.1
Help with Homework
1.
VOCABULARY
In an ordered pair, which number represents the input?
the output?
2.
PRECISION
Describe how relations and functions are different.
Describe the pattern in the mapping diagram. Copy and complete the diagram.
Input
Output
3.
4.
5.
Input
Output
Input
Output
2
− 3
1
1
4
1
2
2
8
2
8
2
3
14
3
12
3
7
4
4
4
5
5
5
6
6
6
List the ordered pairs shown in the mapping diagram.
Input
Output
1
1
Input
Output
Input
Output
6.
7.
8.
0
4
1
8
6
− 5
3
5
3
6
7
− 10
6
6
5
4
8
9
7
7
2
9
Determine whether the relation is a function.
Input
Output
Input
Output
2 2
9.
10.
11.
Input
Output
− 2
− 18
− 3
5
0
− 9
− 2
10
4
0
7
− 1
15
8
0
2
14
20
4
12
0
9
✗
Input
Output
Each output
5
is paired with
12.
ERROR ANALYSIS
Describe and correct
4
6
exactly one input.
the error in determining whether the
7
So, the relation
relation is a function.
is a function.
8
246
Chapter 6
Functions
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