Intro to Functions Review

Front

What is a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What are the components of a function?

Back

The components of a function include the domain (input values) and the range (output values).

Front

What is the domain of a function?

Back

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

Front

What is the range of a function?

Back

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

Front

What are ordered pairs?

Back

Ordered pairs are pairs of numbers used to represent points in a coordinate plane, written as (x, y).

Front

What are the coordinates of the origin in the coordinate plane?

Back

The coordinates of the origin are (0, 0).

Front

How do you represent a function using a graph?

Back

A function can be represented using a graph where the x-axis represents the domain and the y-axis represents the range.

Front

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

Back

A function is one-to-one if each output value is paired with exactly one input value.

Front

What is an example of a function?

Back

An example of a function is f(x) = 2x + 3, where for each x, there is a unique output.

Front

What is the vertical line test?

Back

The vertical line test is a method to determine if a graph represents a function; if a vertical line crosses the graph more than once, it is not a function.