Function Follow Up
4 years ago
etoalson
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20 QuestionsShow answers
  • Question 1
    30 seconds
    Q. - # of hours worked
    - amount of your paycheck
    Which is the dependent variable?
    answer choices
    hours worked
    paycheck amount
  • Question 2
    30 seconds
    Q. - speed of car
    - speeding ticket amount
    Which is the independent variable?
    answer choices
    speed of car
    speeding ticket amount
  • Question 3
    30 seconds
    Q. - the amount of money you save
    - the number of days you can visit Hawaii
    Which is the dependent variable?
    answer choices
    amount saved
    days in Hawaii
  • Question 4
    30 seconds
    Q. f(x)=x2-2x+1
    Evaluate the function for f(-1).
    answer choices
    f(-1)=4
    f(-1)=0
    f(-1)=2
    f(-1)=-1
  • Question 5
    30 seconds
    Q. f(x)=2x+1
    If f(x)=4, what is the value of x?
    answer choices
    3/2
    2
    1/2
    4
  • Question 6
    30 seconds
    Q. When is a function increasing?
    answer choices
    When the y-values and x-values are decreasing together.
    When the y-values are decreasing and the x-values increasing.
    When its going up.
    When the y-values and x-values are increasing together.
  • Question 7
    30 seconds
    Q. Which ordered pair could represent a y-intercept on a graph?
    answer choices
    (6, 0)
    (0, 4)
    (-1, 3)
    (2, 0)
  • Question 8
    30 seconds
    Q. How is f(x) read?
    answer choices
    the function f
    function notation
    f of x
    replaces y
  • Question 9
    30 seconds
    Q. What is the vocabulary term that describes this: f(x) ?
    answer choices
    f of x
    functions
    function rule
    function notation
  • Question 10
    60 seconds
    Q. The set of x-coordinates of the ordered pairs of a relation is called?
    answer choices
    range
    relation
    domain
    correlation
  • Question 11
    60 seconds
    Q. Choose the relationship that fits the table, graph, and mapping diagram.
    answer choices
    {(-1,0), (0,1), (2,1), (3,4)}
    {(-2,-1), (-1,1), (2,3), (3,4)}
    {(-4,5), (-2,3), (0,1), (2,-1)}
    {(-2,-1), (-1,0), (0,-1), (2,-1)}
  • Question 12
    60 seconds
    Q. Identify the Independent and Dependent Variables, then write a rule in function notation.
    A baker spends $6 on ingredients for each cake he bakes.
    answer choices
    Ind: Cost
    Dep: Cakes
    f(c) = 6c
    Ind: Cakes
    Dep: Cost
    f(c) = c + 6
    Ind: Cost
    Dep: Cakes
    f(c) = c + 6
    Ind: Cakes
    Dep: Cost
    f(c) = 6c
  • Question 13
    60 seconds
    Q. What is the definition of function?
    answer choices
    Has inputs and outputs
    Every input has only ONE output
    Inputs have different outputs every time
    x-values and y-values
  • Question 14
    180 seconds
    Q. Evaluate f(-4) for the function f(x)=3x2-5
    answer choices
    f(-4) = 43
    f(-4) = 139
    f(-4) = -52
    f(-4) = -149
  • Question 15
    30 seconds
    Q. A relation is a set of:
    answer choices
    pictures.
    random numbers.
    geometric figures.
    ordered pairs.
  • Question 16
    60 seconds
    Q. A function is a special relation that has:
    answer choices
    Domain matches Range
    one output for each input.
    a single range value for each domain value. 
    All of the above.
  • Question 17
    30 seconds
    Q. Which variable is the DEpendent variable?
    answer choices
    x
    y
  • Question 18
    60 seconds
    Q. Give the domain and range of the relation.
    {(-2,-1), (-1,0), (0,-1), (1,0), (2,-1)}
    answer choices
    D: {-2, -1, 0, 1, 2}
    R: {-1, 0, -1, 0, -1}
    D: {-1, 0}
    R: {-2, -1, 0, 1, 2}
    D: {-2, -1, 0, 1, }
    R: {-1, -1, -1, 0, 0}
    D: {-2 < x < 2}
    R: {-1 < y < 0}
  • Question 19
    60 seconds
    Q. A local parking garage charges $5.00 for the first hour plus $1.50 for each additional hour or part of an hour. Write a relation where x represents the hours, and y represents the cost. Is it a function?
    answer choices
    y = 1.50x + 5
    Function
    y = 5x + 1.50
    Function
    y = 1.50x + 5
     Not a Function
    y = 5x + 1.50
    Not a Function
  • Question 20
    300 seconds
    Q. Kim burns 85 calories per hour hiking. How many calories will Kim burn in h hours? Identify the independent variable of this situation.
    answer choices
    85 calories per hour
    number of hours
    total calories burned
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