8.PFA.2 Functions Vocabulary

Front

What is the term for the set of all possible input values for a function?

Back

Domain

Front

What test is used to determine if a graph represents a function by checking if any vertical line crosses the graph more than once?

Back

Vertical Line Test

Front

What is the term for the set of all possible output values of a function?

Back

Range

Front

What do we call the variable that represents the input values in a function?

Back

Independent variable

Front

What is the term for the variable that represents the output values in a function?

Back

Dependent variable

Front

What is the x-value in a function called?

Back

Independent variable or Domain

Front

What is the y-value in a function called?

Back

Dependent variable or Range

Front

What is the relationship between independent and dependent variables in a function?

Back

The independent variable is the input, and the dependent variable is the output that depends on the input.

Front

If a function is represented as f(x) = 2x + 3, what is the output when the input (x) is 4?

Back

f(4) = 2(4) + 3 = 8 + 3 = 11

Front

What does it mean if a function is not a function based on the Vertical Line Test?

Back

It means that there exists at least one vertical line that intersects the graph at more than one point.