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    Wikkibahi's Avatar
    Wikkibahi Posts: 42, Reputation: 1
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    #1

    Mar 7, 2012, 08:35 AM
    Question about Calculus--Graph of a Function
    Q: Draw the Graph of the following Function:

    f(x) = x - [x] for all x belongs to [-3, 3]

    Note: Its a Saw-tooth Function.
    ebaines's Avatar
    ebaines Posts: 12,131, Reputation: 1307
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    #2

    Mar 7, 2012, 09:17 AM
    I suggest that you select several values for x in the interval [-3,3] and see what you get for f(x). For example if x = -3 you get f(-3) = -3 - |-3| = -3 -3 = -6. For x = +3 you get f(3) = 3 - |3| = 0. Now determine values for f(x) given x = -2, -1, 0, +1, and +2 and plot the results.
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