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Function Lab

Function Lab. Chapter 9. Question 1. Does the table represent a function? YES or NO. Remember: The “X”s are all different if it is a function. Question 2. Does the graph represent a function? YES or NO. Remember: The graph of a function does not cross above or below itself. Question 3.

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Function Lab

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  1. Function Lab Chapter 9

  2. Question 1 Does the table represent a function? YES or NO Remember: The “X”s are all different if it is a function

  3. Question 2 Does the graph represent a function? YES or NO Remember: The graph of a function does not cross above or below itself.

  4. Question 3 Is this mapping a function? YES or NO Remember: The “X”s are all different if it is a function HINT: The points in the mapping are … (8,7) , (12,0) , (12,3) , (15,7)

  5. Question 4 Does the set of ordered pairs represent a function? Yes or No (1,8) , (2,11) , (3,14) , (4,17) , (5,20) Remember: The “X”s are all different if it is a function

  6. Question 5 What is the domain, range, and inverse of the table? Remember: Domain – all the Xs Range – all the Ys Inverse – the points listed as (y,x)

  7. Question 6 F(x) = x + 15 Find these values • F(4) = • F(8) = • F(12) =

  8. Question 7 What are the domain, range, and inverse of the mapping below? Remember: Domain – all the Xs Range – all the Ys Inverse – the points listed as (y,x) HINT: The points in the mapping are … (3,4) , (6,4) , (10,2)

  9. Question 8 Find the domain, range, inverse of the function below: (5,10) , (6,12) , (7,14) , (8,16) , (10,18) Remember: Domain – all the Xs Range – all the Ys Inverse – the points listed as (y,x)

  10. Question 9 F(x) = x – 4 • What is the output if the input is 13? • What is the range if the domain is 20? Remember: Domain – the input Range – the output

  11. Question 10 Multiple Choice: Which function increases the input by 8? • F(x) = x – 8 • F(x) = x + 8 • F(x) = 8x • F(x) = x / 8

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