The temperatures inside a greenhouse are recorded every six hours over a 24-hour time period. The results are shown in the table below.
Time 00:00 06:00 12:00 18:00 24:00
a) Draw a time series graph
Temp. (°C) 4 8 14 15 6
to show this information.
Temp. (°C)
167
b) Calculate the range of
temperatures measured
inside the greenhouse
over the 24-hour period.
12
8
I
00:00
06:00
12:00
18:00
24:00
Time

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)