2 143 Test (CST): Foundations of Algebra Question 17 of 25
What is the solution to this equation?
X+9=-4
A x=13
B. x=-13
C. x=5
OD. x= -5
PEVO

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)