Find each difference. (hint: If you get stuck, consider drawing a number line diagram.)
9-4=
• 4-9 =
• 9 + (-4) = 5
9-(-4) = -5
• (-4) - (-9) =
• (-9) - (-4) =

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Find the slope of a line given the following two points

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 city’s 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.