The population of a City The graph shows the population of a city from 1900 to 2000.

1.What is the average rate of change of the population between 1930 and 1950? Show your reasoning.

2. For each interval, decide if the average rate of change is positive or negative.

a. from 1930 to 1940

b. from 1950 to 1970

c. from 1930 to 1970

3. In which decade (10-year interval) did the population grow the fastest? Explain how you know.

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Chosen according to the volume of oil it can haul, as shown in at a railway yard, locomotives are used to haul containers carrying the table. locomotive capacity a450 0 -750 cubic feet cg35 750-1,500 cubic feet br73 1,500-2,500 cubic feet yh61 2,500-3,500 cubic feet & the four cylindrical containers listed in the table need to be hauled. cylinder length (ft.) diameter (ft.) fill level a 40 , 12 half b 24 8 full c 16 16 full 6 12 full d match each container to the locomotive needed to haulit a450 cylinder a yh61 cylinder d