Functions

What is the domain of the graph?

• -3 ≤ x ≤ 3
• 3 ≤ x ≤ -3
• -2 ≤ x ≤ 10
• -3 ≤ x ≤ 10

What is the range of the following graph?

• R:  {-5, -1,  0 , 1, 5}
• R:  {-4, -2, 0, 3, 6}
• R: (-4, 1)  ( 6, 0)
• R: (6, 0)

For the function (0,1), (1,-3), (2,-4), & (-4,1), which choice gives the correct domain & range?

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

What is the domain of the graph?

• [-7, 5)
• (-7, 5]
• [-3, 1)
• (-3, 1]

What is the domain of the relation?

• (-∞, ∞)
• (-2, 2)
• (-3, 3)
• [-4, 5)

What is the range of the function?

• (-∞, 3]
• (-∞, ∞)
• [3, ∞)
• (-6, 3]

What is the Domain?

• {-3, -1, 1, 3, 5, 7, 9}
• {-3, -2, -1, 0, 1, 2, 3}
• -3 ≤ x ≤ 3
• -3 ≤ x ≤ 9

What is the Domain?

• All real numbers
• x > 3
• x = 4
• x ≥ 3

Calculate the average rate of change from 20 to 40 minutes.

• -2 minutes per gallon

• -20 minutes per gallon

• -2 gallons per minute

• -20 gallons per minute

What is the average rate of change of [1, 5]?

• -0.65
• -0.75
• 3.75
• 4