Functions Review

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

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

Is the graph pictured a function?

• Yes
• No

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.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

Choose the best answer that describes the image.

• Function
• Relation
• Function and Relation
• Neither a relation nor a function

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

Choose the best answer that describes the image.

• Function
• Relation
• Function and Relation
• Neither a relation nor a function

Tags

CCSS.HSF.IF.B.5

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

Choose the best answer that describes the image.

• Function
• Relation
• Function and Relation
• Neither a relation nor a function

Tags

CCSS.8.F.A.1

Choose the best answer that describes the image.

• Function
• Relation
• Function and Relation
• Neither a relation nor a function

Tags

CCSS.8.F.A.1

A relation is a function when.......

• the input is only with one output.
• the input is repeating with different output.
• the output is repeating.
• the input is repeating.

Tags

CCSS.8.F.A.1