Question

Johanna is driving from Orlando, FL to Dallas, TX. The distance between Orlando and Dallas is 1,084 miles. Johanna's average rate of speed is 65 mph the function that represents

how many miles Johanna has left on her trip after t hours is f(t) = 1084 - 650.
Enter the number of miles Johanna has left on her trip after 12 hours of driving

Answer 1

She still has 304 miles left after traveling for 12 hours

Explanation:

Here, we want to calculate the number of miles Johanna has left on her trip.

The equation linking the distance , speed and time is;

F(t) = 1084 -65t

Now, for t = 12, we simply make a direct substitution;

F(12) = 1084 - 65(12)

F(12) = 1084 - 780

F(12) = 304 miles