2023 SSMO Relay Round 2 Problems/Problem 1

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Problem

Consider the cubic polynomial $P(x)=ax^3+bx^2+cx+d$, where $a,b,c,d$ are single-digit integers, which has roots of approximately \[x \approx -0.9518399, 0.2055095, 1.460616.\] Compute $|f(3)|$.

Solution