Practical Domain and Ranges of Functions in Context

• all integers

• all rational numbers that are multiples of 1.25

• all real numbers that are multiples of 1.25

• all whole numbers

• all real numbers

• all real numbers that are multiples of 0.05

• all whole numbers

• all whole numbers from 0 to 20

• all real numbers

• all integers less than or equal to 5,000

• all multiples of 1.25 less than or equal to 5,000

• all integers between 0 and 5,000 inclusively

• all non-negative real numbers less than or equal to 5,000

What is the domain and range of the function?

What is the range of the function?

• R:{y is less than or equal to 3}

• R:{y is greater than or equal to 3}

• R:{all real numbers}

• R:{y is between and including -6 and 3}

What is the range of the function?

• [-1, ∞)

• (-1,1)

• [1.5, ∞)

• (-2, 2)

What is the range of this function?

• (-5, 5)

• (-3, 3)

The domain of the function is ​ (a)   and the range for the function is ​ (b)  

• { x | x > 6 }

• { y | y > -4 }

• { x | x ≤ -4 }

• { y | y ≥ 6 }

• { x | x < -4 }

• { y | y < 6 }

• { y | y ≤ 6 }

• { y | y ≥ -4 }