A portion of the graph of is shown in red below, where is a quadratic function. The distance between grid lines is unit.

What is the sum of all distinct numbers x such that f(f(f(x)))=-3?

Link to the graph: https://latex.artofproblemsolving.com/a/5/5/a55ff48c3dfe700194d16e1a80c027d03e698b32.png

Guest May 17, 2021

edited by
Guest
May 17, 2021

edited by Guest May 17, 2021

edited by Guest May 17, 2021