Lesson 4-3 Preview: What is a Function?

Lesson 4-3 Preview:

What is a Function?

Multiple Choice

Is it a function?

• Yes
• No

Multiple Choice

Is this table a function or not a function? 

• Function
• Not a Function

Multiple Choice

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Multiple Choice

Is this set of ordered pairs a function or not a function? 

• Function
• Not a Function 

Multiple Choice

Is this mapping a function or not a function? 

• Function
• Not a Function

Multiple Choice

Is this mapping a function or not a function? 

• Function
• Not a Function 

Multiple Choice

Which graph does NOT pass the vertical line test?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

Multiple Choice

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

Multiple Choice

Is this a function?

• Function
• Not a Function

Multiple Choice

Is this a function?

• Function

• Not a Function