Lesson 15 - Understand Functions 2022

Is this mapping a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

Tags

CCSS.8.F.A.1

What point could I remove to make this a function?

• $\left(5,\ -2\right)$

• $\left(-1,\ 3\right)$

• $\left(2,\ -1\right)$

• $\left(4,\ 0\right)$

Which of these 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

Is this mapping 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

Is this graph a function or not a function? 

• Function 
• Not a Function

Is this mapping a function or not a function? 

• Function
• Not a Function 

Tags

CCSS.8.F.A.1

Is the graph a function?

• YES

• NO