Exploring Domain and Range from Graphs

What is the domain of a function?

• All possible W values

• All possible Z values

• All possible X values

• All possible Y values

How do you find the domain of a function using a graph?

• By testing which Y values touch the function

• By testing which Z values touch the function

• By testing which X values touch the function

• By testing which W values touch the function

What is the first step in finding the domain of a function?

• Using a horizontal line test

• Using a vertical line test

• Using a diagonal line test

• Using a circular line test

What is the range of a function?

• All possible X values

• All possible Y values

• All possible Z values

• All possible W values

How do you find the range of a function using a graph?

• By testing which W values touch the function

• By testing which Y values touch the function

• By testing which Z values touch the function

• By testing which X values touch the function

What is the first step in finding the range of a function?

• Using a horizontal line test

• Using a vertical line test

• Using a diagonal line test

• Using a circular line test

For the square root function example, what is the domain?

• All values less than or equal to 2

• All values greater than or equal to 2

• All values greater than or equal to -2

• All values less than or equal to -2

For the square root function example, what is the range?

• All values less than or equal to -1

• All values greater than or equal to 1

• All values less than or equal to 1

• All values greater than or equal to -1

For the piecewise function example, what is the domain?

• From negative infinity to -3 and from 1 to positive infinity

• From negative infinity to -1 and from 0 to positive infinity

• From negative infinity to -4 and from 2 to positive infinity

• From negative infinity to -2 and from 2 to positive infinity

For the piecewise function example, what is the range?

• All values less than or equal to 2

• All values less than or equal to 1

• All values less than or equal to -1

• All values less than or equal to 0