Tina wants to use rope to decorate a rectangular picture frame. The frame measures 17 inches wide and 7 inches tall. Tina has 5 feet of rope. Does she have enough rope to go around the perimeter of the frame?

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The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)