Dr. Arman has 1,000 vitamin samples to give his patients. The number of samples remaining decreases by 18% each week. Which equation represents the remaining number of samples after x weeks?

Ruby and chung work together ruby lives 13 1/2 miles from work chung lives 2 1/6 miles beyond ruby how far from work does chung live

How can you tell when x and y are not directly proportional?

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)