Functions

Front

What is the definition of a function?

Back

A function is a relation where every input has only ONE output.

Front

Is the relation a function? Why?

Back

No, because the x-value 11 has two y-values paired with it.

Front

What are all of the y values or outputs called?

Back

Range.

Front

Is this mapping a function or not a function?

Back

Not a Function.

Front

Is this graph a function or not a function?

Back

Not a Function.

Front

What is the domain of a function?

Back

The set of all possible input values (x-values) for the function.

Front

What is the range of a function?

Back

The set of all possible output values (y-values) for the function.

Front

What does it mean for a function to be one-to-one?

Back

Each input has a unique output, and each output corresponds to only one input.

Front

What is a linear function?

Back

A function that graphs to a straight line, represented by the equation y = mx + b.

Front

What is a quadratic function?

Back

A function that can be expressed in the form y = ax^2 + bx + c, where a ≠ 0.