Luigi uses
39
3939 cups of flour for every
6
66 pizzas he makes.
complete the table using equivalent ratios.
flour (cups) pizzas
39
3939
6
66
4
44
13
1313

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)