Question

Please Help Me

Answer 1

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.




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.

(C) Ebony’s bank balance first reached $0 on Day 12. How would you show that information in function

Answer 2

@Michele_Laino

Answer 3

hint:
a balance equal to zero, means that the representative point of the graph, lies on the horizontal axis, since all points which belong to the horizontal axis have the \(y-\)coordinate equal to zero

Answer 4

Ok, so I will say that since all points on the the graph they are horizontal all equal to 0?

Answer 5

right! All points of the graph which lie on the horizontal graph:

Answer 6

oops.. horizontal axis*

Answer 7

axis* ok, got it. Thank you

Answer 8

:)

Answer 9

How would you find that in function Notation