Thread: inverse does not look right

inverse of f(x) x^3 -4

I got y=(x+4)^(1/3)

graphed it and?

Originally Posted by rj2001

inverse of f(x) x^3 -4

I got y=(x+4)^(1/3)

graphed it and?

Well y=(x+4)^(1/3) is the inverse of f(x),

Use your calculator again, guess you made a clerical mistake?

I think you graphed y = (x + 4^(1/3)), hence the straight line. Try again.

I hope that helps.

ILoveMaths07.