Select the truth value in the table emily manages a soccer club and offers beginner classes for new players she found that when she charged an average cost per class of $10 the average membership was 250 players she also found that with every $2 increase in the average cost per class the average membership decreased by 10 players the following graphs shows the club’s revenue where x is the number of $2 increase in average cost per class over $10 . Examine the statement below and select whether they are true or false

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)