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Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.
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Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the cityβs population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.
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The roots of the function f(x) = x2 β 2x β 3 are shown. what is the missing number?
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Bill says he can add 23 and 40 without regrouping...
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