On a rainy day, two students begin tracking the accumulated amount of rainfall each hour. They each write a function, R(h), that they think can be used to track the amount of rainfall after h hours.

Use the drop-down menus to explain why each function does or does not represent the amount of rainfall after h hours.

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CLEAR CHECK
Anne: R(h) = 1.65h
This function be used to find the amount of rainfall after h hours.

Each hour, an additional inches of rain is accumulated. Equal differences represent a relationship.

Luke: R(h) = 1.65h
This function be used to find the amount of rainfall after h hours.

For every hour that passes, inches of rain is accumulated.