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

f(-4.21355692)=-64.8586571

f'(-4.21355692)=8.93121545

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

Trial number 1: