Algebra 1
posted by Steve .
The population of a city increases by 4,000 people each year. In 2025 the population is projected to be 450,000 people,. What is the equation that gives the city's population p ( in thousands of people) x years after 2010?

Algebra 1 
Steve 2.0
The population by 4000 for 15 years, or 60,000
So, it must have been 450,00060,000 = 390,000 in 2010
p(x) = 390 + 4x
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