Functions

Front

Is the graph a function?

Back

Not a Function

Front

What is the definition of function?

Back

Every input has only ONE output

Front

Find f(-5) if f(x) = 2x + 7.

Back

7

Front

All of the x values or inputs are called what?

Back

Domain

Front

If g(x) = x² - 4, find g(5).

Back

21

Front

What is the range of a function?

Back

All possible output values (y-values) of a function.

Front

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

Back

Each output is paired with exactly one input.

Front

What is a linear function?

Back

A function that graphs to a straight line.

Front

What is the vertical line test?

Back

A method to determine if a graph represents a function.

Front

What is the difference between domain and range?

Back

Domain is the set of all possible inputs; range is the set of all possible outputs.