Question

The amount in Ebony’s bank account B(d) is a function of the number of days d since she opened the account. The graph shows segments representing her day-by-day bank balance. Although there are no labeled tick marks on the graph, you can answer the questions by using the additional given information as well as your general knowledge of graphs of functions.

1. Ebony kept her bank account open for only 3 weeks, and the graph shows the entire 3 weeks. During that time, her greatest balance was $400.
(a) Give the domain and range of the function.
(b) Give an estimate to the ne

Answer 1

Please just look at the doc

Answer 2

@Michele_Laino

Answer 3

range is the set composed by the amounts of money deposited by Ebony

Answer 4

whereas domain, is the set composed by number of days