Question 1205421
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If you are given that    {{{f^(-1)}}}{{{(t)}}} = u,    as in this problem,


it means,  BY  THE  DEFINITION  of an inverse function,  that   f(u) = t.



So, &nbsp;&nbsp;"t &nbsp;in terms of &nbsp;u" &nbsp;&nbsp;is  &nbsp;&nbsp;t = f(u). &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>ANSWER</U>