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I have the following practice problem that I'd like to know how to solve before taking my test, can someone explain what is necessary?

$$D_x \int_{0}^{2x} \left[15 \sqrt{2t^2 + 3t + 4} \right] dt$$

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    Is that supposed to be $D_x$, the derivative with respect to $x$?2012-12-08
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    Yes, I believe it should be.2012-12-08
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    Do you see what to do if the $2x$ were replaced by an $x$ (use the fundamental theorem of calculus)? Do that, but use the chain rule to account for the $2x$.2012-12-08

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