Pumeza’s car takes \(\text<45>\) litres of petrol. The graph below shows the amount of petrol in the tank over one week.
Pumeza try sick for two months from inside the week and stayed home. Identify both days and you may explain your own respond to.
Tuesday and you will Wednesday – this lady gasoline use don’t change after all, this means that she don’t have fun with the lady auto, and you may try thus at your home.
The graph is steepest between Monday and Tuesday, and there is a change from \(\text<8>\) to \(\text<17>\), so the biggest increase dating for seniors log in is here.
There is certainly a dotted line to suggest that the chart is actually maybe not continued involving the plotted circumstances. The sales try distinct items given that Naledi just carries a whole level of necklaces day-after-day.
Oriented and you will separate variables (EMG39)
An independent adjustable is a varying that stands by yourself and you will is not changed by the other variables you are seeking measure. Particularly, someone’s many years might possibly be another changeable. Other factors (eg whatever they eat, the way they visit college, how much cash television they see) commonly likely to changes somebody’s ages. Continue reading “Worked analogy 4: Interpreting a graph one meets the vertical axis”