Question

NEED HELP PLEASE!!!!!

What is c−1(x) given c(x)=x3−5?


A. c−1(x)= ∛x+5

B. c−1(x)= ∛x+x

C. c−1(x)= ∛x- ∛5

D. c−1(x)= ∛x-5

Answer 1

Answer: A

Explanation:

Let c(y)=x.

`\implies x=y^3 -5\\\\x+5=y^3\\\\y=\sqrt[3]{x+5}\\\\c^(-1)(x)=\sqrt[3]{x+5}`