A hiker records his attitude over time and lists the data in the table below. HIKING ALTITUDES Time Altitude (In minutes) (in feet) 25 30 50 60 75 90 100 120 How fast is the hiker climbing? 0.4 foot per minute 0.8 foot per minute 个​

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.

Ithink it’s b because it say 3 plastic rings and all the balls