a rectangular prism has a length of 7 1/4 and a width of 6 and 1/2 in and a height of 10 in YJ has another person that has Dimensions that are each doubled the dimensions of the first rectangular prism how many times greater is the volume of the larger prism than the volume of the smaller one​

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)