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Ivenika [448]
2 years ago
13

Can somebody please help me with the domain & function

Mathematics
2 answers:
Ilya [14]2 years ago
8 0

Step-by-step explanation:

<u>Step 1:  Determine a function</u>

Since we are increasing the amount paid by $50 each month that means that we can just use a simple equation such as y = 50x to signify that every time you add a month $50 would be added.  For example, we take 3 months and put that into x which would give us $150 which is the correct answer.

y = 50x

<u>Step 2:  Determine the domain</u>

Domain is the x-values that are being used.  In this question, the y-values is the amount paid why the x-values are the months from 1-12.  

Therefore, the domain of this function is {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}.

Orlov [11]2 years ago
4 0

Reverse the table and observe

  • For 1 month cost is 50
  • For 2 months the cost is 100

See the pairs are (1,50) and (2,100) and so on

We know domain is set of x values and range is set of y values.

As there is no extra cost and the cost is 50$ per month cost depends upon the month means months are independent and cost is dependent , months are x and cost will be y then

The equation is

  • y=50x

So here domain is all months

  • {1,2,3,4,5,6,7,8,9,10,11,12}
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