Determine if the segment x is half the length, double the length, two thirds the length, or the same length as segment y.

x is half the length of y

x is double the length of y

x is 2/3 the length of y

x is the same length as y

Brent wants to know what is 5 x 1/2

27 is what percent of 108? 27 is % of 108

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)