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**Marg7** Let F(x)= ∫*sqrt(t^2 + t) dt* (from 1 to 2x)

*Find: -the domain of F(x)*

*-the limit of F(x) as x approaches 1/2 *

*-the length of the curve y=F(x) for x is greater than or equal to 1 and less than or equal to 2*

*How would I go about doing these? Thank you!*