Functions Review (Math 8 24-25)

Front

What is the Vertical Line Test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

Front

What does the term 'Domain' refer to in functions?

Back

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

Front

What does the term 'Range' refer to in functions?

Back

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

Front

What is a Linear Function?

Back

A function that graphs to a straight line, showing a constant rate of change.

Front

What is a Nonlinear Function?

Back

A function that does not graph to a straight line, indicating a variable rate of change.

Front

What is the purpose of the Horizontal Line Test?

Back

To determine if a function is one-to-one; if a horizontal line intersects the graph more than once, the function is not one-to-one.

Front

What does 'Relative Maximum' mean?

Back

The highest point in a particular section of a graph.

Front

What does 'Relative Minimum' mean?

Back

The lowest point in a particular section of a graph.

Front

How can you identify if a function is Linear or Nonlinear from a table of values?

Back

If the differences between consecutive y-values are constant for equal x-intervals, it is Linear; otherwise, it is Nonlinear.

Front

What is the x-intercept of a function?

Back

The point where the graph of the function crosses the x-axis (y=0).