Mark, carlos, ben, and taj ran the 1,600-meter relay today at the track meet. if their times were 55.2 seconds, 54.34 seconds, 55.15 seconds, and 52.08 seconds, what was their total time for the race (in seconds)?

Well if i understand correctly the answer would be all of them added together 

Hello!

Simply add the seconds together:

55.2 + 54.34 + 55.15 + 52.08 = 216.77.

So, their total time was 216.77 seconds.

I hope this was helpful! c:

In all honesty, there really is no “work” per say to show. mainly it’s just using the process of elimination. the question is asking which domain(s) would be the most appropriate for the function c(n). n is the number of observed vehicles so right away, 1, 2, and 3 can be eliminated.why? 1, 2 start in the negatives and therefore it is impossible to observe negative cars. so, #4 would be the best answer to the given problem.