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The amount in Ebony’s bank account B(d) 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.

 

https://prnt.sc/pbtzcz

 

   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.

 

Give the domain and range of the function.

 Sep 27, 2019
 #1
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The smallest balance at any time during the three weeks was  =  $0

 

The greatest balance at any time during the three weeks  was  = $400

 

The domain  is  [0, 21]  (days)

 

The range is  [0, 400 ] (dollars)

 

 

cool cool cool 

 Sep 27, 2019

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