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Alg Mod 3 Review

  •  English    23     Public
    Functions
  •   Study   Slideshow
  • Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? A)Calvin started on flat ground.
    yes
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  • Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? B)Calvin reached the top of the mountain after 2 hours.
    no
  •  15
  • Calvin’s elevation during a hike is shown by the graph below. Is each of the following a possible interpretation of the graph? C)Calvin stayed at the top of the mountain for about 30 minutes.
    yes
  •  15
  • 2) Find the domain of the relation represented on the mapping diagram.
    {10,20,30,40}
  •  15
  • 3) While getting ready for tomorrow’s class, Miss Howell can staple 40 packets each minute. How many packets will Miss Howell staple in m minutes? Identify the independent and dependent variables of this situation.
    ind: m=#minutes dep: p=#packets
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  • 4) Is each of the following a function?
    yes
  •  10
  • 4) Is each of the following a function?
    yes
  •  10
  • 4) Is each of the following a function?
    yes
  •  10
  • 4) Is each of the following a function?
    no
  •  10
  • 5) The table below shows the relationship between the number of hours a dog spends a doggy day care and the price the facility charges. Write a function that describes the relationship and use it to find the price of a 10 hour stay at dogg
    f(x)=40y f(10)=400
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  • 6) The graph of f(x) = x2-5x+1 is shown to the right. Find the value of f(x) when x=0.
    f(0)=1
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  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    no- does not pass vertical line test
  •  10
  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    yes- does pass vertical line test
  •  10
  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    yes- does pass vertical line test
  •  10
  • 9a) A cafe sells specialty coffee for $3.75 per cup. Write a function for the total cost of coffee depending on the number of cups ordered.
    f(x) = 3.75x
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  • 9b) A cafe sells specialty coffee for $3.75 per cup. Find a reasonable domain for the situation.
    {1,2,3,4}
  •  10