functions learning check

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

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

• Function
• Not a Function

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

• {1, 2, 3, 4, 5}
• {-1, 1, 2, 3}
• {1, 2, 3, 5}
• [1, 5]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Is this table 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

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

Is this graph a function or not a function? 

• Function
• Not a Function

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5

What is the domain of the graph?

• [-7, 5)
• [-3, 1)
• (-7,5)
• (-7,5]

What is the domain?

• [−∞,∞]
• (−∞,∞)
• y = 2
• none of these