Recognizing Functions
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Objective
I can determine if a set of ordered pairs, a table, or a mapping represents a function.
Part 1 of 3
Warm-up video
Unknown Channel · 5:00
We don't generate video — this one is by Unknown Channel on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 3
Practice
2 questions
The following ordered pairs represent a relation: (2, 5), (3, 8), (4, 11), (2, 7). Does this relation represent a function? Explain why or why not.
A machine processes metal pieces. The table shows the input weight of the metal and the output length after processing. Input Weight (kg) | Output Length (cm) ------- | -------- 5 | 12 7 | 15 9 | 18 5 | 12 11 | 21 Does this table represent a function? Explain your reasoning.
Part 3 of 3
Exit ticket
Quick comprehension check
“Does the following set of ordered pairs represent a function? (1, 2), (3, 4), (5, 6), (1, 8) Explain why or why not. Does the following table represent a function? Explain why or why not. Input | Output ------- | -------- 2 | 5 4 | 7 6 | 9 8 | 11 In the mapping below, does the relation represent a function? Explain why or why not. Input: 1 → Output: A Input: 2 → Output: B Input: 3 → Output: A Input: 4 → Output: C Input: 3 → Output: D”
Sample answer included in the free materials
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