Question 147
A quadratic trinomial $f(x)$ is chosen so that the equation
$$(f(x))^3 - f(x) = 0$$
has exactly $3$ real roots. Find the $y$-coordinate of the vertex of the graph of $f(x)$.
$$(f(x))^3 - f(x) = 0$$
has exactly $3$ real roots. Find the $y$-coordinate of the vertex of the graph of $f(x)$.