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What does a function?

Make a prediction about how much time you need to spend tonight studying? Explain your answer? Write it on in your notebook.

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What does a function?

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  1. Make a prediction about how much time you need to spend tonight studying? Explain your answer? Write it on in your notebook. Today is a review day. Take as much notes as possible. You will be responsible for creating your own study guide. I will help walk you through the process. The study guide will be collected and graded. Dr. Hall has requested work from this class so take good notes and be neat. Show all work.

  2. What does a function? Unit 3 Review Standards noted on board.

  3. Which of the following is a function? x/4+y=8 x2-5=y y-1=2/4x

  4. Use function Notation to write a function? (3,5) (4,10) (5,15) (6,20)

  5. For the function f(x)=5x-5, find the range if the domain is (2,1,7,-3) Range{5,0,30, -20}

  6. Fill in the table for the missing input and output values if the table represents the function d(t)=1/2t-10

  7. Pass Like Question • Carmela works as a technology consultant to companies that make computer games. Fro a recent job, she was paid $200 in traveling expenses, and $50 per hour or part of an hour. What will Camel’s total earning be if she works for 6 ½ hours? A. $500 B. $525 C. $550 D. $575

  8. Mrs. B sells cupcakes for a living. She charges $25 for tray of cupcakes and then $12 an hour for her labor. • a) Write a function rule for this scenario. Identify your variables. • b) Is your rule a function? Explain. • c) What are the dependent and independent variables? Explain.

  9. Mr. T is going on vacation to Baja, California. Use the equation d(t) = 4500 – 65t to approximate his distance (d) in miles (t) hours from his destination. • a) What is his distance from Baja, CA after 10 hours? • b) What is the meaning of -65 in the context of this problem? • c) What is the meaning of 4500 in the context of this problem?

  10. The graph shows the relationship between the length of a rectangle and the area of the rectangle. Identify the independent and dependent variables. What does the ordered pair (10, 100) represent in the context of this problem? What does the ordered pair (0, 0) represent in the context of this problem?

  11. The graph shows the relationship between the length of a rectangle and the area of the rectangle. • What is the width of the rectangle if the Area is 50 units? Explain. • Write a function rule that relates length of the rectangle to its area. • What is your interpretation of the graph.

  12. . A car moves at a speed of 50 mph from Greenville to Miami – a total distance of approximately 835 miles. a) Fill in the table that relates distance to speed from 0 to 5 hours. b) Plot the points of your table in the graph:

  13. . A car moves at a speed of 50 mph from Greenville to Miami – a total distance of approximately 835 miles.

  14. A car moves at a speed of 50 mph from Greenville to Miami – a total distance of approximately 835 miles.

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