The Li family is going hiking. The distance from their car can be found using the function d(t) = 3t + 1, where d is the miles a
way from their car and t is in hours that they have hiked. If d(t) = 7, what is the value of t and what does it represent? A. t = 2, the Li family has been hiking for 2 hours
B. t = 22, the Li family has been hiking for 22 hours.
C. t = 2, the Li family is 2 miles away from their car.
D. t = 22, the Li family is 22 miles away from their car.
