Functions domain and range

Which of these sets is the RANGE of the graph?

• {0, 6, 12, 18}

• {-2, 0, 2, 4}

• {-2, 2, 4}

• {6, 12, 18}

Which number is not an element of the domain?

• 2

• 1

• 0

• 6

What is the domain when the range is 3?

What is the domain of this graph?

• {-2 ≤ x ≤ 4}

• {-5 ≤ x ≤ 4}

• {-4, 0, -2}

• {-4 ≤ x ≤ 2}

What is the range of this circle?​ (a)  

• All real numbers

What is the domain of this graph?

• All Real Numbers

• x ≥ -2

• x < 6

• -2 < x < 6

• x ≤ -2

Parabolas go up forever. What is the range?

• y ≥ -2

• y ≥ 0

• y < 5

• y < 2

• y > 0

What is the range of this graph?

• y < 3

• y > -3

• y ≥ 0

• All Real Numbers

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

What is the domain of a relation?

• the set of all x-values

• the set of all y-values