Acar's speedometer has a percent error of 5%. the speedometer currently shows that the car is traveling at a speed of 60 mph.
which statement describes what the actual speed of the car could be?
the actual speed of the car is between 30 mph and 90 mph.
the actual speed of the car is between 55 mph and 65 mph.
the actual speed of the car is between 57 mph and 63 mph.
the actual speed of the car is between 58 mph and 62 mph.

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)