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The number of hours spent repairing televisions. after how many hours does he break even is 7 hours
These are equations that contains several equations with unknowns. Given the function that modelled the revenue generated from television repair as;
y = 25 + 30x
where:
x is the number of hours spent repairing televisions.
If his overhead cost, in dollars, is modelled by the equation y=5x^2−10, the company breaks even when;
25 + 30x = 5x^2 -10
Divide through by 5
5 + 6x = x^2 - 2
Equate to zero to have:
x^2 - 6x -2 - 5 = 0
x^2 - 6x - 7 = 0
x^2 - 7x + x - 7 = 0
x(x-7)+1(x-7) =0
x = -1 and 7
Hence the number of hours spent repairing televisions. after how many hours does he break even is 7 hours
Learn more on break even point here: https://brainly.com/question/21137380
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