If [[x]] = x^2 + 2x + 4, what is the value…

If [[x]] = x^2 + 2x + 4, what is the value of [[4]]?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #18864

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