Exam-style question
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In the function type f: A → B, what does B represent?.
- A.The set from which input values are chosen
- B.The function name
- C.The co-domain and result type
- D.The number of inputs
Model answer
What a good answer should say
- The co-domain and result type
Explanation
Why this works
B is the result type and is called the co-domain. Function outputs are chosen from this set.
Common mistake
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