The population in a city is modeled by the equation , where is the number of decades since 1970. What do the 0.3 and 100,000 mean in this situation? Write an equation for the function to represent the population years after 1970. Show your reasoning. Write an equation for the function to represent the population centuries after 1970. Show your reasoning.

Which situation could best be represented by this linear equation? 24x + 38y = 520 > if x represents the number of bracelets and y represents the number of rings, there were 24 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets and y represents the number of rings, there were 38 more bracelets sold than rings. the total sales were $520. if x represents the number of bracelets sold at $24 each and y represents the number of rings sold at $38 each, the total sales were $520 if x represents the number of bracelets and y represents the number of rings, there were 520 bracelets and rings sold. bracelets were $24, and rings were $38. e