Question

Qual a função inversa de q(x)=³√x+2?

Answer 1

$q(x)= \sqrt[3]{x+2}\\ \\ y= \sqrt[3]{x+2}\\ \\ x= \sqrt[3]{y+2}\\ \\ x^3=y+2\\ \\ y=x^3-2\\ \\ \boxed{q'(x)=x^3-2 }$