Question

The Brown family is on their way home from a cross-country road trip. During the

trip, the function D(t) = 3,500 - 20t can be used to represent their distance, in
miles, from home after t hours of driving.
What is the value of D(15)?
3200
3465
-3200
174.25

Answer 1

Explanation:

D(15) = 3500 -20(15)

D(15) = 3500 - 300

D(15) = 3200

In 15 hours of driving the Brown family is 3200(no unit given) away from home.