Functions Review

Is this a function? Explain.

• Yes; it passes the horizontal line test.
• No; it is not a straight line.
• Yes; it passes the vertical line test.
• No; it does not pass the vertical line test

What is the domain?

• the set of all x-values

• the set of all y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range?

• the set of all x-values

• the set of all y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Does this graph represent a function?

• Yes, it passes the vertical line test.

• No, it does not pass the vertical line test.

Does this graph represent a function?

• Yes, it passes the vertical line test.

• No, it does not pass the vertical line test.

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

What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• {-4, 4, 8, 9}
• {-2, 3, 8, 10}
• {(9, -2) ( 4, 3)}
• {(8, 10) (-4, 8)}

What is the Domain of this linear function?

• -3 < x ≤ 5
• x = -1
• 5 < x ≤ -3
• -2 < x ≤ 6

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the graph?

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

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the DOMAIN of this graph?

• x < -3

• x ≤ -3

• x > -3

• x ≥ -3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5