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.. . weekrainfall. 15.5. 28. 310.5. 413. 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 3 that represent in this function is the "A. The amount of rainfall in week 0." zero weeks have passed, and there's already up to the 3 mark. if additional rain comes into the bin, the existing water is still thereso we add +3 every time
These are the following choices:
A. The amount of rainfall in week 0.
B. The week that Erin collected data.
C. The amount of total rainfall.
D. The amount the rainfall increased each week