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A function is created to represent the balance on a credit card each month. What restrictions would be made to the range?

A)The range would only include integers.
B)The range would only include positive integers.
C)The range would only include negative integers.
D)The range would include all real numbers.

Please, support your answer with an example.

Sagot :

It could include all real numbers, really. If you have +$130 you could use them to pay for something. If you have -$27.5 you need to pay this sum to the bank, since you overused your credit.
isyllus

Answer:

D)The range would include all real numbers.

Step-by-step explanation:

Range is all real number because function represent the balance on credit card each month. It may be cross over limit or lower limit.

If we purchase any goods using credit card balance will deduct from credit card and mark as negative number.

If we pay bill of credit card bill, this amount shows as positive number because any amount add to credit card.

In a month we purchased ,

 Month                                 Debit             Credit

12/9/2018                             $58.65

15//9/2018                            $42.23

23/9/2018                            $21.49

28/9/2018                                                    $180.23

Total                                     - $122.33       +$180.23

Net Balance in credit card = Debit + Credit = $57.90  

Thus, Balance on credit card would be any real number.

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