Function or Not???

Front

What is a function?

Back

A function is a relation where each input has only one output.

Front

What must be true for a relation to be a function?

Back

Each x value must have only one y value.

Front

Can a function have the same output for different inputs?

Back

Yes, a function can have the same output for different inputs.

Front

What is the definition of input in a function?

Back

An input is a value that is fed into a function.

Front

What is the definition of output in a function?

Back

An output is the result produced by a function after processing an input.

Front

If an input has more than one output, is it a function?

Back

No, if an input has more than one output, it is not a function.

Front

What does it mean if a relation is not a function?

Back

It means that at least one input is associated with more than one output.

Front

In a table, if a restaurant name repeats with different calorie counts, is 'Calories' a function of 'Restaurant'?

Back

No, because the restaurant repeats with different outputs.

Front

What is an example of a function?

Back

The relation of students to their grades, where each student (input) has one specific grade (output).

Front

What is an example of a non-function?

Back

The relation of people to their phone numbers, where one person can have multiple phone numbers.