Chapter 3 Flashcard Review Focus

Front

What is a linear function?

Back

Front

What is a nonlinear function?

Back

A nonlinear function is a function that does not form a straight line when graphed. Its graph can be a curve or any shape that is not linear.

Front

What are the x values or inputs of a function called?

Back

The x values or inputs of a function are called the Domain.

Front

What is the definition of a function?

Back

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

Front

How can you determine if a graph represents a function?

Back

You can use the vertical line test: if a vertical line intersects the graph at more than one point, it is not a function.

Front

What is the range of a function?

Back

The range of a function is the set of all possible output values (y values) that the function can produce.

Front

Back

Front

What is the slope of a linear function?

Back

Front

What does the y-intercept represent in a linear function?

Back

Front

What is a relation in mathematics?

Back

A relation is a set of ordered pairs, where each pair consists of an input and an output.