Ebony’s bank balance first reached $400 on Day 4. The last day her balance was $400 was Day 8.
(a) Determine B(5) B(6) and B(7) . Explain how you determined these amounts.
+37155 Between day 4 (400) and day 8 (400) the graph is flat.....all of the days between 4 and 8 have the same value of $400
