MODELING REAL LIFE A traveler is driving from Georgia to Florida. The function d(t) = 60 t - 2.5| represents the distance (in miles) the car is from the state line after t hours.
a. Graph the function. Find the domain and range in this context.
b. Interpret the intercepts and the vertex. When is the function decreasing? increasing? Explain what each represents in this context. ​