Domain and Range Functions Review

What is the domain of the function?

• D:{ x is greater than or equal to 3}

• D:{x is less than or equal to 3}

• D:{all real numbers}

• D:{ x is all real numbers between and including -1 and 5}

What is the RANGE of this function?

• - 8 ≤ y ≤ 8

• - 5 ≤ y ≤ 5

• All Real Numbers

• No solution

What is the domain?

• x = 2

• all real numbers

• y = 2

• none of these

What is the range?

• -4 < x ≤ 5

• -4 ≤ x < 5

• -3 < y < 3

• -3 ≤ y ≤ 3

• {1, 2, 3, 4, 5}
• {-1, 1, 2, 3}
• {1, 2, 3, 5}
• [1, 5]

What is the range of the function?

• 0 ≤ h ≤ 3

• 0 ≤ h ≤ 36

• h < 3

• t ≤ 36

Which of the following graphs have a domain of -4<x≤6?

• A

• B

• C

• D

Janice is working as a babysitter for the Harold Family.  They plan to leave for their date at 7:00 pm  and be back by 12:00 am.  If the equation f(x) = 15x + 20 models the amount that Janice will earn, where x is the number of hours she works, and f(x) is the total money she earns, what is an appropriate range?

• any value between 0 and 20

• any value between 0 and 125

• any value between 0 and 95

• any value greater than 0

The school is selling raffle tickets as a fundraiser. The profit from the tickets can be modeled by the equation P(x) = 3x - 35, where x is the number of tickets sold. Which best describes the possible domain?

• all real numbers greater than 0

• all whole numbers

• any rational number greater than 0

• all integers

What is the DOMAIN of this function?

• - 8 ≤ y ≤ 8

• - 5 ≤ y ≤ 5

• All Real Numbers

• No solution