3 Suppose you take a car trip traveling east along a very

Last updated: 8/10/2023

3 Suppose you take a car trip traveling east along a very long highway starting at time 1 0 Let x t be the number of gallons of gasoline used during the first hours and let s t be the distance traveled in that time Because you re using very cheap gasoline that s not good for the engine your fuel efficiency measured in miles gallon decreases as fuel is consumed The graph of fuel efficiency as a function of gasoline used is shown in the graph below ds dx 25 201 151 101 5 5 I 10x x gallons 15 20