A1 2.1 Func. vs. Non-Func.

Organize these options into the right categories

Groups:

(a) Function

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(b) Non-function

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Which set of values represent a function?

Select TWO correct answers.

• (9,5) (10,5) (9,-5)

• (3,4) (4,-3) (3, 8)

• (6,-5) (7, -3) (8, -1)

• (2, -2) (5, 9) (5, -7)

• (2, -4) (5, -4) (-5, -4)

• This is a Function
• This is Not a Function

• It is a function because the graph passes the vertical line test.

• It's not a function because the graph fails the vertical line test.

• It's not a function because the graph passes the vertical line test.

• It is a function because the graph fails the vertical line test.

Is the relation a function? (yes or no)

(a)  

Why? (explain)

, (b)  

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• Yes
• No
• An x-value is paired with more than one y-value.
• Each x-value pairs with only one y-value.

Which graph does not represent y as a function of x?

• Graph I

• Graph II

• Graph III

• All graphs represent function.

• It is a Function

• Not a Function

• It is a Function

• Not a Function

Does the table represent y as a function of x?

• yes (function)

• no (non-function)

The number of orange Skittles in a bag.

• Discrete

• Continuous