Each u. s. coin is mapped to its monetary value. tell whether this situation represents a function. explain your reasoning. if the situation represents a function, give the domain and range.

Coin       Value

cent              1 cent         
nickel           5 cents
dime           10 cents
quarter        25 cents
dollar        100 cents

This is a function, because you can state unambiguosly the value of each  coin.

The domain is the set of input values: { cent, nickel, dime, quarter, dollar}

The range is the set of output values: {1, 5, 10, 25, 100}

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