Time (months) 0 1 2 3 4 5

Question

Rate pollutants
are escaping 2 5 7 16 24 34
Use this data to sketch a graph
Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total pollutants that escaped during the first month. What underestimate did you obtain?
tons

Draw rectangles on this graph (as in Figure 5.2) to help you overestimate the total pollutants that escaped during the first month. What overestimate did you obtain?
tons

Draw rectangles on this graph (as in Figure 5.2) to help you underestimate the total pollutants that escaped during the whole time. What underestimate did you obtain?
tons

Draw rectangles on this graph (as in Figure 5.2) to help you overestimate the total pollutants that escaped during the whole time. What overestimate did you obtain?
tons