Functions Review

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

Is this mapping a function or not a function? 

• Function

• Not a Function 

Tags

CCSS.8.F.A.1

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is the graph a function or not a function?

• Function

• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

The mapping ​ (a)   y as a function of x, because ​ (b)  

• does not represent

• does represent

• each x-value corresponds to more than one y-value

• each x-value corresponds to only one y-value

Examine the table and determine if it represents a function or not a function.

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Which graph does NOT pass the Vertical Line Test?

• Graph a

• Graph b

• Graph c

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}

• {(2,7), (3,7), (4,7), (5,8)}

• {(1,-5), (-1,6), (1,5), (6,-3)}

• {(3,-2), (5,-6), (7,7), (8,8)}

Tags

CCSS.8.F.A.1

A relation where every input yields one and only one output is called what?

• Relation

• Linear

• Exponential

• Function

Tags

CCSS.8.F.A.1