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    Functions and itnerval notation

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    1. From the function f (x)=IxI How would I go about finding its image set using interval notation?

    2. Again using interval notation, how would I go about finding the image set of the graph g(x)= Ix+3I -2 ? And how then would I go on to solve the equation g(x)=1, and discover if it had any geometrical significance?

    3. How would I go about finding if there was solution to the equation g(x)=-4?

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    Solution Preview

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    Functions And Notation
    ________________________________________
    1. From the function f (x)=IxI How would I go about finding its image set using interval notation?

    I assume that the given function is

    Since the absolute value is always nonnegative, we ...

    Solution Summary

    This shows how to find the image set of functions using interval notation.

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