Introduction to Mapping
Explore the fundamentals of mapping relationships between sets of numbers, including function identification and domain/range.
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Introduction to Mapping
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Read each question carefully and provide your answer in the space provided. Show your work where necessary.
1. What is a mapping in mathematics? Explain in your own words.
2. Which of the following mappings represents a function?
{(1, 2), (1, 3), (2, 4)}
{(1, 2), (2, 2), (3, 3)}
{(1, 2), (2, 3), (2, 4)}
{(1, 2), (3, 2), (1, 4)}
3. For the mapping {(2, 4), (3, 6), (4, 8)}, the domain is and the range is .
4. A function can have one input mapped to multiple outputs.
True
False
5. Draw a mapping diagram for the set of ordered pairs: {(apple, fruit), (carrot, vegetable), (grape, fruit)}.
6. Plot the following points on the coordinate plane: (1, 3), (2, 5), (3, 7). Is this mapping a function? Explain.
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