Functions Review

Which graph represents a function?

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Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Which table does NOT represent a function?

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Tags

CCSS.8.F.A.1

Determine whether the relation shown here is a function. Explain your answer.

• function, an input has 1 output

• function, an input has 2 different outputs

• function, no output has 2 different inputs

• not a function, an input has 2 different outputs

Tags

CCSS.8.F.A.1

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

Tags

CCSS.8.F.A.1

Evaluate f(-4) for the function f(x)=3x²-5

• f(-4) = 43
• f(-4) = 139
• f(-4) = -52
• f(-4) = -149

Tags

CCSS.HSF.IF.A.2

What is the domain of the pictured graph?

• x<0
• x>0
• x<3
• x>3

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the Range?

• y ≥ 6
• y ≤ 6
• -10 ≤ y ≤ 6
• -10 ≤ x ≤ 6

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

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}

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the range of this function?

• x ≥ 2
• f(x) ≥ 2
• All Real Numbers
• f(x) ≤ 2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of this function?

• All Real Numbers
• f(x) ≥ -2
• f(x) ≥ 2
• x ≥ -2

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5