Suppose that the function d(t) = 2.4 cos (2pi/365 (t-171))

Last updated: 7/4/2022

Suppose that the function d(t) = 2.4 cos (2pi/365 (t-171)) +11.5models the number hours of daylight in a day in Atlanta, Georgia at a lake where t=0 is January 1. Based on this model, how many hours of daylight will there be in Atlanta on March 31 (t=90)? 9.1 hours 11.9 hours 13.9 hours 13.7 hours