Answer:
![x=81](https://img.qammunity.org/2020/formulas/mathematics/middle-school/jxv2jvwtwjitiknz8smhgo90bl77ey3za8.png)
Explanation:
we know that
Observing the graph
The number
lie on the interval----> (9.3,9.4)
so
Square root of x is greater than 9.3 and is less than 9.4
Round square root of x to the nearest whole number
----> because square root of x is less than 9.5
squared both sides
![x=9^(2)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ab98zzsrfc1rs0b0ezl7fmiz521v7prns3.png)
![x=81](https://img.qammunity.org/2020/formulas/mathematics/middle-school/jxv2jvwtwjitiknz8smhgo90bl77ey3za8.png)