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A city's population in the year

\displaystyle {x}=

1960 was

\displaystyle {y}=

2954200. In 1956 the population was 2953000.

Compute the slope of the population growth (or decline) and choose the most accurate statement from the following:

The population is decreasing at a rate of 300 people per year.
The population is increasing at a rate of 200 people per year.
The population is decreasing at a rate of 200 people per year.
The population is decreasing at a rate of 400 people per year.
The population is increasing at a rate of 300 people per year.
The population is increasing at a rate of 400 people per year.

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