What is the expression 1/3b-1/3 factored?

Answer this 30 points and brainliest!

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

What is the inverse of the function f(x) = 2x + 1?