Maricarmanon15idn
Answered

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Which of these relations is a one-to-one function?

I. A country to its flag
II. A town or municipality to its zip code
III. A number to its square
IV. The cost of buying a particular brand of ballpen to the number of ballpens bought

A. I and II
B. I and IV
C. I, II, and IV
D. All of these

(please put explanation after the answer)
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(please do not answer this if you don't know th right answer)

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Sagot :

Erisss17idn

Answer:

A. | and ||

Explanation:

Since it only exist as one and never repeats.

118620100036idn

Answer:

A. I and II

Explanation:

The term one-to-one relationships refers to relationships of two items in which one can only belong with the other. These relationships can be referred to in a mathematical sense, in which there are equal numbers of items, or when creating a database when one row directly corresponds to another row.

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