Question

(Person who answers my questions correctly once again gets medals..)

A study was done to investigate the relationship between outdoor temperature and the amount of fluids an outdoor athlete drinks per day. The correlating linear model is shown below, where x represents the number of degrees over 80°F, and y represents the amount of fluids drank (in liters). Interpret the y-intercept.

y = 3.85 + 0.55x

Answer 1

A. An athlete drinks 7 L per day when the temperature is 80°F.

B.An athlete drinks 0.55 L per day when the temperature is 80°F.

C.An athlete drinks 4.4 L per day when the temperature is 80°F.

D.An athlete drinks 3.85 L per day when the temperature is 80°F.