Functions and Relations
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Last updated over 6 years ago
7 questions
Note from the author:
Functions and Relations
1
For which funtion is the ordered pair (3,5) a solution?
For which funtion is the ordered pair (3,5) a solution?
1
The function y=2x relates x and y in which set of ordered pairs?
The function y=2x relates x and y in which set of ordered pairs?
1
Complete the table so that the table of values represents a function
Complete the table so that the table of values represents a function
1
Look at the set of ordered pairs. Which of the following ordered pairs could be added to the set so that the new set of ordered pairs represents a function?
(27, 231), (24, 16), (5, 21), (2, 3), (9, 21)
Look at the set of ordered pairs. Which of the following ordered pairs could be added to the set so that the new set of ordered pairs represents a function?
(27, 231), (24, 16), (5, 21), (2, 3), (9, 21)
1
Drag and drop each to Function, or not a function?
Drag and drop each to Function, or not a function?
- Function
- Not Function (relation)
1
Mr. Heller wrote a set of ordered pairs that represented a function on the board. When Dylan copied the set of ordered pairs into his notebook, he wrote one of the ordered pairs backwards.
Dylan wrote (2, 3), (4, 3), (2, 5), (3, 6)
For which ordered pair could Dylan have switched the values? Explain how you know your answer could be correct.
Mr. Heller wrote a set of ordered pairs that represented a function on the board. When Dylan copied the set of ordered pairs into his notebook, he wrote one of the ordered pairs backwards.
Dylan wrote (2, 3), (4, 3), (2, 5), (3, 6)
For which ordered pair could Dylan have switched the values? Explain how you know your answer could be correct.
1
Caleb works in his grandmother's backyard each Saturday to earn spending money. For five weeks he keeps track of how many hours he works each week and how much money he is paid. The number of hours he worked each week and the amount he is paid is as follows: $15 for 3 hours of work; $20 for 4 hours of work; $10 for 2 hours of work; $15 for 3 hours, and $25 for 4 hours.
Does this relationship between the number of hours Caleb works each week and the number of dollars he earn each week represent a function? EXPLAIN your answer.
Caleb works in his grandmother's backyard each Saturday to earn spending money. For five weeks he keeps track of how many hours he works each week and how much money he is paid. The number of hours he worked each week and the amount he is paid is as follows: $15 for 3 hours of work; $20 for 4 hours of work; $10 for 2 hours of work; $15 for 3 hours, and $25 for 4 hours.
Does this relationship between the number of hours Caleb works each week and the number of dollars he earn each week represent a function? EXPLAIN your answer.