Stranded on an Island

Calculus Level 3

You are stranded on an island when a boat full of mathematicians floats past. You want to be rescued so you put this integral on a large sign:

\[ \int_0^{10} {\lfloor x+2 \rfloor}^2 \, dx\]

What is the value of this integral?

Bonus: And why were you rescued?

Notation: \( \lfloor \cdot \rfloor \) denotes the floor function.


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