Please help fast!! The population P, in millions, of a certain country can be modeled by the function P(t) = 3.98(1.02)^t, where t is the number of years after 1990.

Part A) Write an equivalent function in the form P(t) = a(1+r)^t.

Part B) What is the value of r in your function from part A? What does this value mean in context?

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c is the answer

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a function could be identified in 3 ways either on a chart,graph, or ordered pairs. first a function is that each point has its own. the rule is that there can be many x's to one y but there can not be 2 x's at different y's. so on a graph when you put a straight line through the y's there should be one dot only to be a function.

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