AFDA PRE-ASSESSMENT 24/25

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

Is this mapping a function or not a function? 

• Function
• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function
• Not a Function

Is this graph a function or not a function? 

• Function 
• Not a Function 

Is this graph a function or not a function? 

• Function
• Not a Function 

Is this graph a function or not a function? 

• Function 
• Not a Function

f(x)=2x+1
If f(x)=4, what is the value of x?

• 3/2
• 2
• 1/2
• 4

All of the y values or outputs are called what?

• Domain
• Range
• Relation
• Function

All of the x values or inputs are called what?

• Domain
• Range
• Relation
• Function