Identifying Functions

• Function

• Not a Function

Tags

CCSS.8.F.A.1

The following is not a function because...

• There are two values that equal 2.

• x = 10 and x = 40 has two values each.

• In the f(x) column, the 5 repeats.

• This table is actually a function.

Tags

CCSS.8.F.A.1

• Yes

• No

Tags

CCSS.8.F.A.1

Which set of ordered pairs 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

• Function
• Not a Function

Tags

CCSS.8.F.A.1

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

Which of these tables represent a function?

• A
• B
• C
• D

Tags

CCSS.8.F.A.1

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

• Function

• Not a Function

Tags

CCSS.8.F.A.1

All of the x values are called what?

• Inputs

• Range

• Relation

• Function

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Which of the following is a function?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1