Which of the following would be a good name for the function that takes the length of a race and returns the time needed to complete it? a. time(race) b. length(time) c. length(cost) d. year(time) e. cost(time) f. time(length)

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18