Bluebook试题10 · 第 12 题

Bluebook试题10 · 原库模块 1 · Q12 原库参考解析

The graph of \( y=f\left(x\right) \) is shown, where the function \( f \) is defined by \( f\left(x\right)=ax^3+bx^2+cx+d \)  and a, b, c, and d are constants. For how many values of x does \( f\left(x\right)=0 \)?