Find $\frac{dy}{dx}$ and $\frac{{d}^{2}y}{{dx}^{2}}.x={e}^{t},y=t{e}^{-t}$ . For which values of t is the curve concave upward?

mattgondek4
2021-09-11
Answered

Find $\frac{dy}{dx}$ and $\frac{{d}^{2}y}{{dx}^{2}}.x={e}^{t},y=t{e}^{-t}$ . For which values of t is the curve concave upward?

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AGRFTr

Answered 2021-09-12
Author has **95** answers

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