Question

Is this answer correct please? Note, the -1 is the inverse function, not negative 1

Find f-1(x). Sketch y=f(x) and y=f-1(x)

for Equation f(x)=x^3+1

My answer: y^3=x-1

Answer 1

Actually, I have y=(x-1)

Answer 2

the inverse looks to be: y = cbrt(x+1)

Answer 3

cbrt(x-1).....