Explanation
Given information

Step1: Find the value of x from the above quadratic function
To find the value of x we need to make f(x) = 0

Step 2: Apply the general quadratic rule to find the value of x
![x\text{ = }\frac{-b\text{ }\pm\sqrt[]{b^2\text{ - 4ac}}}{2a}](https://img.qammunity.org/2023/formulas/mathematics/college/lqgh1jhdle9hypplatcbv92apspmj60qsj.png)
From the given function;
a = -0.01
b = 0.8
c = 5.7
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