Let *f(x)*
be a function which has an inverve
${f}^{-1}(x).$You are given the following information about
$f(x)$

f(-2.76455527)=20.8621678

f'(-2.76455527)=-7.28492306

Your task is to find the following values of ${f}^{-1}(x)$and $({f}^{-1})\prime (x):$

Trial number 1: