Drag the numbers to match each number to the equivalent numerical expression. 14
9
108
151
Expression
Number
15.5 * [(2 x 2.4) + 3.2] - 24
34 = [(7.2 x 0.8) + 3.24]
4.4 +(4x + 8.6)
[6 (3 x 8.3)] + 1.6

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)