Unit 3 Functions CFA review

Front

What is a function?

Back

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

Front

What is a relation that is not a function?

Back

A relation where at least one input has multiple outputs.

Front

How can you determine if a table represents a function?

Back

A table represents a function if each input corresponds to exactly one output.

Front

What is the definition of a linear equation?

Back

Front

What is the rate of change in a function?

Back

The rate of change is the ratio of the change in the output to the change in the input, often represented as slope.

Front

How do you identify a linear equation from its graph?

Back

A linear equation will produce a straight line when graphed.

Front

What does it mean if two functions have the same rate of change?

Back

It means they increase or decrease at the same rate, resulting in parallel lines when graphed.

Front

Back

The slope is 3, indicating that for every unit increase in x, y increases by 3.

Front

What is the difference between a function and a non-function?

Back

A function has one output for each input, while a non-function may have multiple outputs for a single input.

Front

What is an example of a non-linear equation?

Back