Uber charges a $5 pickup fee and $0.25 per mile. define variables and write an equation to model this situation. KC yellow Cab Co. charges $1.75 for pickup and $0.75 per mile. define variables and write an equation to model this situation.
using both functions, determine which company is a better value for a 5 mile ride. show your work.

what are some real world limitations to the domain and range of both functions?