two buses are moving towards each other from the bus stops that are 300 miles apart one at a speed of 40 mph and one at a speed of 50 mph

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

Answer this question only if you know the answer! 30 points and

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles