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Mathematics 20 Online
OpenStudy (anonymous):

As part of an Earth Science project, Erin tracked the amount of rain fall for 4 weeks. She started tracking after finding some initial data on the year's rainfall to date:

OpenStudy (anonymous):

OpenStudy (anonymous):

If the linear function representing the amount of rainfall each week is f(w) = 2.5w + 3, what does the 3 represent in this function? The amount of rainfall in week 0 The week that Erin collected data The amount of total rainfall The amount the rainfall increased each week

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