Question 1-3 A family bought a house for $125,000 in 2010 The value of the house increased by 2 each year What would the value of the house be in 2030, to the nearest dollar. $127.500 $162 374 0 $175.000 $185.743

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)