A graph of ordered pairs A rule that assigns to each input exactly one output All of the choices are correct An input and corresponding output
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Beyond the Answer
When we talk about a function, it's like having a special machine where for every input you put in, you always get one specific output. Imagine a vending machine: you press the button (input), and that exact snack or drink (output) pops out every single time, no surprises! In the real world, functions are everywhere! Consider the relationship between the amount of hours you study and your test scores. More hours typically lead to better scores, but you can only expect one score for each specific number of hours spent studying. It’s like a relationship you can always count on!