Functions Quiz

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Functions Quiz

Function f is a relation in which each object from the set of inputs X can be associated with several objects from the set of outputs Y.

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True.

False.

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1. Which of the following is NOT a graph of a function?

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2. Which of the following is NOT an example of a function? (The left set is the domain, the right set is the codomain)

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3. Which of the following is a SURJECTION (The left set is the domain, the right set is the codomain)

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4. Which of the following is an INJECTION (The left set is the domain, the right set is the codomain)

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Ten ships sail into a city that has three ports. Four ships sail into the first port and six into the second port. No ship enters the third port. If the set of 10 ships represents the domain and set of two ports codomain then the entry of these ten ships into city ports...

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does not represent a function

represents a function that is not injective, nor surjective

represents a function that is injective, but not surjective

represents a function that is surjective, but not injective

represent a function that is both injective and surjective

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