You start out driving from your house to an old friend’s house in a different town, which is 280 miles away. After an hour and a half, you have gone 105 miles.

a) Assuming your speed is constant, find a linear function , which gives the distance from your house (in miles) as a function of time (in hours).




b) Find and interpret .





c) Solve







d) Solve and interpret the result.






e) Considering the context of this function, what is the domain?








f) What is the range?