Approximate the real number solution(s) to the polynomial function f(x) = x3 + 2x2 − 5x − 6.

a. x = −3, x = −1, x = 2

b. x = 3, x = 1, x = −2

c. x = 3, x = −1, x = 2

d. x = −3, x = 1, x = −2

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks

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)