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**Mod note**: Moved from technical math section, so there's no template.

Sorry if I'm formatting this question wrong, new user.

F(x) is an antiderivative of [PLAIN]https://upload.wikimedia.org/math/9/1/5/915ca58b070b0328cd069524c2d487f2.pngx[SUP]3[/SUP]+x+1. [Broken] F(1)https://upload.wikimedia.org/math/4/3/e/43ec3e5dee6e706af7766fffea512721.png -2.125. Find F(4).

I tried to set up the antiderivative as (2/3)(x^3+x+1)^(3/2) and then plugging 1 in to get -2.125, but its clearly wrong. Is there another step I need to do?

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