5. A bacteria population is defined by B(t) = 100(1.12) where B is the total
population and t represents time in hours.
Approximately how many bacteria remains
after 4 hours?
A 112
B 157
C 197
D 126

For which rational expression is -2 an excluded value of x?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

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)