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Alg Mod 3 Review

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  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    yes- does pass vertical line test
  • 14) __________________ all possible inputs of a relation
    domain
  • 11) __________________ a graph made up of connected lines or curves
    continuous graph
  • 16) __________________ a type of relation in which there is only one output for each input value
    function
  • 13) __________________ a set of ordered pairs (x,y) where x is the input value and y is the output value
    relation
  • 9c) A cafe sells specialty coffee for $3.75 per cup. Find a reasonable range for the situation.
    {3.75,7.50,11.25,15.00}
  • 4) Is each of the following a function?
    no
  • 2) Find the domain of the relation represented on the mapping diagram.
    {10,20,30,40}
  • 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
  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    yes- does pass vertical line test
  • 4) Is each of the following a function?
    yes
  • 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
  • 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
  • 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
  • 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
  • 8) Are the relations represented on the graphs below functions? Explain your answer.
    no- does not pass vertical line test
  • 4) Is each of the following a function?
    yes
  • 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
  • 4) Is each of the following a function?
    yes
  • 15) __________________ all possible outputs of a relation
    range
  • __________________ a graph made up of unconnected points
    discrete graph
  • 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
  • 9b) A cafe sells specialty coffee for $3.75 per cup. Find a reasonable domain for the situation.
    {1,2,3,4}