Functions Review

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

Is the graph pictured a function?

• Yes
• No

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.A.1

CCSS.HSA.REI.D.10

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

f(x)=2x+1
If f(x)=4, what is the value of x?

• 3/2
• 2
• 1/2
• 4

Tags

CCSS.HSF.IF.A.2

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}

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.A.1

What is f(2)?

• -4
• 8
• 0
• 5

Tags

CCSS.HSF.IF.A.2

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

Tags

CCSS.HSF.IF.A.2

What is the RANGE?

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

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the DOMAIN?

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

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1

What is the RANGE of this graph?

• -7<x<5

• -7≤y<5

• -3<x<1

• -3≤y<1

Tags

CCSS.HSF.IF.B.5

CCSS.8.F.A.1