(Grade 11) Section 1.3 - Working On Function Notation

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(Grade 11)  Section 1.3 - Working On Function Notation - Quiz

Complete the following questions


Questions and Answers
  • 1. 
    Evaluate f(6) for {(0,6), (3, 12), (6, 54), (2,6)}
    • A. 

      0

    • B. 

      2

    • C. 

      6

    • D. 

      54

  • 2. 
    A squirrel drops a nut from tree limb.  The nut’s height, in metres, after t seconds is modeled by the function –4.9t + 12.  About when does the nut hit the ground?
    • A. 

      Between 0.5 and 0.6 seconds

    • B. 

      Between 1.0 and 1.5 seconds

    • C. 

      Between 1.5 and 1.6 seconds

    • D. 

      Between 1.6 and 2.0 seconds

  • 3. 
    The graph of y = f(x) is shown.  Evaluate f(2)
    • A. 

      –2.5

    • B. 

      –1

    • C. 

      0

    • D. 

      5

  • 4. 
    A car salesman is paid a commission based on the function f(p) = –0.002p + 100 where p is the sale price of a vehicle.  How much will be earn from a car that sells for $15000?
    • A. 

      300

    • B. 

      398

    • C. 

      400

    • D. 

      3100

  • 5. 
    A function g is defined by g(x)= x^2 – 9x + 18.  Evaluate g(2n)
    • A. 

      2n^2 – 18n + 18

    • B. 

      N^2/2 – 9/2n +9

    • C. 

      4n^2 – 36n + 18

    • D. 

      2n^2 – 36n + 18

  • 6. 
    The relation between the selling price of a toothbrush and revenue, r(s) is represented by the function r(s) = –5s^2 + 20s + 25 and its graph above If r(s) = 45, what is the selling price, s?
    • A. 

      $0

    • B. 

      $1

    • C. 

      $2

    • D. 

      $20

  • 7. 
    If the point (–2,–3) is on the graph of y=f(x), what is the value of f(–2)?
    • A. 

      –3

    • B. 

      –2

    • C. 

      0

    • D. 

      3

  • 8. 
    For a function f(5) = –1, what does f(5) represent?
    • A. 

      The x–coordinate of the point

    • B. 

      The y–coordinate of the point

    • C. 

      The constant in the equation

    • D. 

      The domain of the function

  • 9. 
    The sum of two whole numbers is 16.  Their product can be modeled by the function g(x) = x(16–x).  What is the largest product?
    • A. 

      8

    • B. 

      16

    • C. 

      63

    • D. 

      64

  • 10. 
    Evaluate f(x) = –3x + 7 if x = – 2
    • A. 

      –2

    • B. 

      –1

    • C. 

      3

    • D. 

      13

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