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Posted by on Monday, July 26, 2010 at 1:00pm.

Find the inverse for graphing
y=f(x)=3^-x

  • math - , Monday, July 26, 2010 at 1:06pm

    x=1/3y

    ln x = -y ln (3)
    y= -lnx/ln3

    check that.

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