Review for Functions Test

What is the range of the function shown?

• {10, 19, 26}
• {-3, 0, 4}
• {-3, 0, 4, 10, 19, 26}
• {0, 16}

What is the range of the function f(x)= x² + 2 when the domain
is {-1, 0 , 1}?

• {1, 2, 3}
• {2, 3}
• {0, 2, 4}
• {1, 3}

What is the domain of the function graphed?

• x < 5
• x ≥ 1
• x > 0
• All real numbers

Which of the inequalities below best describes the domain of the function shown on the graph?

• -2 ≤ x ≤ 2
• -5 ≤ x ≤ -3
• -2 ≤ x ≤ 3
• -5 ≤ x ≤ 3

A toy rocket is launched into the air, and the data from the rocket's flight is graphed below. What is the domain of the data collected?

• 0≤ x ≤ 7
• 0≤ x ≤ 8
• 0≤ y ≤ 7
• 0≤ y ≤ 8

The elements of f(x) are (-7, 3), (-1, 6) and (8, -3). What is the range of the function?

• {-7, -1, -8}
• {-3, 6}
• {-3, 3, 6}
• All real numbers

What is the range of the function graphed?

• -3 < x ≤ 6
• -3 < y ≤ 6
• 2 < y ≤ 6
• 2 < x ≤ 6

What is the domain of the graph?

• {-4, 0, 2, 4}
• {-5, -4, -3, -1}
• {-5, -4, -3, -1, 0, 2, 4}
• All real numbers

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain.
Remember:  Domain is x 
(x,y)

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

What is the range of the graph?
Remember: Range is y! 

• 1 ≤ x ≤ 5
• 1 < x < 5
• 1 ≤ y ≤ 5
• 1 < y < 5