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Thread: how to know the function is 1-1 and onto.

  1. February 29th 2012, 12:42 PM #1
    saravananbs
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    how to know the function is 1-1 and onto.

    f(x)=6^x+6^{|x|}
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  2. February 29th 2012, 08:33 PM #2
    FernandoRevilla
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    Re: how to know the function is 1-1 and onto.

    Quote Originally Posted by saravananbs View Post
    f(x)=6^x+6^{|x|}
    We need to know the initial and final sets.
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  3. February 29th 2012, 11:52 PM #3
    pickslides
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    Re: how to know the function is 1-1 and onto.

    You could try sketching it, take some limits maybe?
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