Question: In Problems 7 12, use ZERO (or ROOT) to approximate the positive x-intercepts of each equation. Express each answer rounded to two decimal places.

In Problems 7 – 12, use ZERO (or ROOT) to approximate the positive x-intercepts of each equation. Express each answer rounded to two decimal places.

y = x3 + 3.2x2 − 16.83x − 5.31

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