The solution to the piecewise problem given are :
- Difference in cost of 2 and 3 line ad is 0
- Cost of 10-line ad = $108
- Cost of 11 - line ad = $117
From the piecewice function given :
x = number of lines in ad
The cost of ad when x ≤ 3 is 45
Hence, the cost of a 2 and 3 line ad is 45, Therefore, the difference is 0 ;
The cost of a 10 - line ad ;
x = 10
Cost = 45 + 9(x - 3)
Cost = 45 + 9(10 - 3)
Cost = 45 + 9(7)
Cost = 45 + 63 = 108
The cost of a 11 - line ad ;
x = 11
Cost = 45 + 9(x - 3)
Cost = 45 + 9(11 - 3)
Cost = 45 + 9(8)
Cost = 45 + 72 = 117
Hence, the solution to the piecewise related questions.
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