Randy and his sister agreed to work together to mow the family's 40-foot by 80-foot lawn. Randy said he would go first
and mow 1/2 the lawn and then his sister could take over and
finish the job.
Determine how many trips around the lawn Randy must make
in order to mow 1/2 of the grass if the mower cuts a path 2 feet
wide.

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.