Complete the following sentences based on the graph of the function.

Which problem could be  solved  by evaluating the expression  7×(−3)7×-3?

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

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)