Algebra: Relations and Functions Review

Which relations represent a function?

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Tags

CCSS.8.F.A.1

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

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

Evaluate f(-3) if f(x) = x+3

• -6
• 1
• -5
• 0

Tags

CCSS.HSF.IF.A.2

If f(x) = -4x + 5 and g(x) = x² + x, find  f(-2).

• 8
• -8
• 13
• -13

Tags

CCSS.HSF.IF.A.2

What is the value of f(-2)?

• -2
• 2
• 4
• 0

Tags

CCSS.HSF.IF.A.2

Evaluate for f(2)

• -3
• 0
• 4
• 7

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the RANGE?

• {-3, 3]
• all real numbers
• [-4, 5]
• [-4, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the DOMAIN?

• (4, ∞)
• (-4, ∞)
• [-3, 3)
• (-3, 3]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the RANGE?

• (-∞, 0)
• (0, ∞)
• All real numbers
• {0, 1, 2, 3, 4,...}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5