A race car driving under the caution flag at 40 feet per second begins to accelerate at a constant rate after the warning flag. The distance traveled since the warning flag in feet is characterized by 30-2 +407, where
* Is the time in seconds after the car starts accelerating again. How long does it take the car to travel 40 feet
after It begins accelerating?
It takes the car
second(s) to travel 40 more feet