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Question 179504: I am confused. Please help me straighten this out. Find a linear equation in the form P = mt + b (y = mx + b), which gives the population, P, t years from 2010. If I know P = 2000 in 2000 then how do I figure out the rest of the equation? This looks like 2 equations put together. I am very confused.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! I am confused. Please help me straighten this out. Find a linear equation in the form P = mt + b (y = mx + b), which gives the population, P, t years from 2010.
If I know P = 2000 in 2000 then how do I figure out the rest of the equation?
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Consider that the year 2000 is the t=0 year; 2000 will be the intercept.
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Equation:
P(t) = m(t+10) + 2000
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Does this work?
If the year 2010 is t=0, the year 2000 is t=-10
Ten years before 2010 is the year 2000 and when t=-10, P = 2000.
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Cheers,
Stan H.
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