Functions from tables

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Write the equation for the table given

• y = 1/3x
• y = 3x
• y = -1/3x
• y = -3x

Tags

CCSS.6.EE.C.9

If my function rule is x + 3, what is the OUTPUT if the input is 4?

• 4
• 3
• 7
• 10

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

What is the function of the table?

• y=x*2
• y=x+2
• y=x/2
• y=x-2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Does this represent a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Does this relation represent a function?
(1,5), (1,6), (1,7), (1,8), (1,9)

• Yes
• No

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

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain.
Remember:  Domain is x 
(x,y)

• 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.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

Which equation matches the table?

• y = 3x + 9
• y = x + 9 
• y = x + 3
• y = 12x - 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the table?

• y = 4x + 3

• y = 4x -3

• y = 3x + 4

• y = 8x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2