Question

Assinale a função inversa de f(x) = 7x - 1 f'(x) - b.g? («) = ? oep: () = od p-+6)== De f'(x) = 3​

Answer 1

$\Large\boxed{\begin{array}{l}\sf f(x)=7x-1\\\sf 7x=f(x)+1\\\sf x=\dfrac{f(x)+1}{7}\\\\\sf f^{-1}(x)=\dfrac{x+1}{7}\end{array}}$