the formula for a function y = f(x) is f(x)=x^4, x ≤ 0. find a formula for f^(-1)(x). f^(-1)(x)= (type an…

the formula for a function y = f(x) is f(x)=x^4, x ≤ 0. find a formula for f^(-1)(x). f^(-1)(x)= (type an exact answer, using radicals as needed.)
Answer
Answer:
(f^{-1}(x)=-\sqrt[4]{x},x\geq0)