Functions Unit Test
15 of 1515 of 15 Items
Question
Use the table to answer the question.
Day of the Week Number of Children in the Car
Sunday 2
Monday 4
Tuesday 4
Wednesday 3
Thursday 4
Friday 3
Saturday 0
Describe the meaning of the word function in math. Then consider the table. Why does this table show a function?
(2 points)
Math Short Answer Rubric (2 points)
Points Awarded Criteria
2
The answer is correct. The student made no errors while solving.
The answer shows that the student used problem-solving skills and reasoning.
All work is shown or explained.
1
The answer is partially correct. The student made errors while solving.
The answer shows little problem-solving skills or reasoning.
Some work is shown or explained.
0 The question is not answered.
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In math, a function is a relationship between two sets of numbers, where each input (or "x" value) is paired with exactly one output (or "y" value).
This table shows a function because each day of the week (input) is paired with a specific number of children in the car (output). For example, on Sunday there are 2 children in the car and on Monday there are 4 children in the car. Each day has a unique number of children in the car, which satisfies the definition of a function.