24-hour cleaners charges $3.50 per load of laundry and a $7.00 delivery fee. Super Suds charges $2.50 per load of laundry and a $10.00 delivery fee.

Graph this scenario on the coordinate plane to determine the minimum number of loads of laundry that need to be done for Super
Suds to have a lower price than 24-hour cleaners

Select two points on each line to graph the lines.
+ Move

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)