On the day a certain celebrity proposes marriage, 8 people know about it. Each day afterward, the number of people who know grows by 50%.
Which expression gives the number of people who know about the proposal after 4 days?

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.