4 years ago

(04.01 LC)

Mathematics

1 answer:

eduard4 years ago

4 0

Answer:

Only A

Step-by-step explanation:

Let's remember the definition of a function:

A function is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.

In A, each input has exactly one output so it's a function.

But in B, the inputs 4 and 9 have two different outputs, it can't represent a function.

The answer is only A.

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Step-by-step explanation:

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