3 Write a linear cost function for each situation a An inter

3. Write a linear cost function for each situation

a) An internet site for downloading music charges $10 registration fee plus 99 cents per downloading song.

b) For one day rental, a car rental firm charges $44 plus 28 cents per mile

Solution

a)linear cost function for a internet site for downloading music charges $10 registration fee plus 99 cents per downloading song is

C=99t+10

b)linear cost function For one day rental, a car rental firm charges $44 plus 28 cents per mile is

C=28t+44