Relations and functions

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Is this table a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Tags

CCSS.8.F.A.1

Is this a function? 

• Yes 
• No

List the ordered pairs

• (1,3), (2,6), (3,9), (4,12)

• (3,1), (6,2), (9,3), (12,4)

• Input and Output

• Output and Input

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

List the ordered pairs

• Input and Output

• (0,12), (2,10), (4,8), (6,6)

• (12,0), (10,2), (8,4), (6,6)

• (6,6)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

List the ordered pairs

• Input and Output

• (-1, 1), (-2, 1), (-3,2), (-4,2)

• (1,1) (2,4)

• (1,-1), (1,-2), (2,-3), (2,-4)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Determine if the relation is a function

• Not a function, each input has more than one output

• Yes it is a function, because each input has exactly on output

• Not a function, input is equal to output

• Yes it is a function, -1/2 is a fraction of 2

Tags

CCSS.8.F.A.1

Is the relation a function?

• Yes, each input has one output

• No, each input has more than one output

• No, the cost of the movies is different

• Yes, each output has one input

Tags

CCSS.8.F.A.1