A fun walk is held to raise money for charity. Dean is going to participate in the walk and receives a pledge from a local business. The business promises to donate a set number of dollars plus additional dollars for every mile that dean walks. The function representing the relationship between miles walked by dead, x, and money donated by the business, f(x), is f(x) = 20x + 50 how many dollars does the business donate for ever mile that dean walks? Please explain the answer
