Determine the function type and then run the appropriate regression to get the equation that best represents this table.

Carter drank 15.75 gallons of water in 4 weeks. he drank the same amount of water each day.a. estimate how many gallons he drank in one day.b. estimate how many gallons he drank in one week.c. about how many days altogether will it take him to drink 20 gallons?

How do i do this? i don’t understand

5/6+7/8what is the answer sealsdbdbshd