The function f(t)=90(0.96)^t represents the number of grams of a chemical compound t years since the chemical compound was formed. Approximately how many grams of the chemical compound remain after 14 years? 1.)1 , 209.60 grams

2.)86.40 grams

3.)75.17 grams

4.)50.82 grams

Convert 2000 swiss francs to dutch guilders

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 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)

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.