A. En el grado de Julieta quieren colocar láminas sobre una pared. Los largos de las láminas son: 0,95 m , 0,75 m , 1,20 m y 1,35 m.

* Si se colocan una a continuación de la otra, ¿ Qué largo ocupan las cuatro
láminas?

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)