Question

What is the inverse of number 19 and how do you get the inverse?

Answer 1

I hope this helps you




19)



f (x)=1/x-1


f (x).x-f (x)=1


x=1+f (x)/f (x)


x=1+1//f (x)


f^-1 (x)=1+1/x


22)


f (x)-1=x^1/3


[f (x)-1]^3=(x^1/3)^3


x=[f (x)-1]^3


f^-1 (x)=(x-1)^3