Domain and Range Notes

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}
• D:{-4, 0, 1, 2}
  R:{-4, -3, 1}
• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}
• D: {-4, -3, 0, 1, 2} 

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

What is the domain of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

What is the range of the graph?

• -7 ≤ x < 5
• -3 ≤ x < 1
• -3 ≤ y < 1
• -7 ≤ y < 5

What is the range?

• -4 < x ≤ 5
• -4 ≤ x < 5
• -3 < y < 3
• -3 ≤ y ≤ 3

What is the range of the following graph?

• all real numbers
• all integers
• any real number greater than zero
• it can not be determined

For a certain function f(x)=8.75x, values of x represent the number of hours a person works in a week. Values of f(x) represent the amount of money earned. Which option described the domain of the function?

• All real numbers
• Non-negative real numbers
• All integers
• Non-negative integers

A function takes an input of the number of hours a car is parked in a parking garage and produces an output of the charge for parking, in cents. What is the range of the function for this situation?

• All integers
• All real numbers
• Non-negative integers
• Non-negative real numbers

A student has 8 cups of iced tea in a pitcher. The amount of iced tea she can serve is a function of x, the amount of iced tea she pours from the pitcher. What is the domain of this function?

• {0,1, 2, 3, 4, 5, 6, 7, 8 }
• x ≤ 8
• 0 ≤ x ≤ 8
• x ≥ 0

A student lives 3 miles from the library. The distance he has remaining distance he has remaining, y, is a function of how long he has been riding his bike. What is the range of the function?

• y ≥ 0
• { 1, 2, 3, 4 }
• {0, 1, 2, 3, 4 }
• 0 ≤ y ≤ 3