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

f(-2.79861582)=28.7699844

f'(-2.79861582)=-5.15663394

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

Trial number 1: