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An online retail company determined that their cost for each day, x , can be determined by the function C ( x ) = 2

An online retail company determined that their cost for each day,x, can be determined by the functionC(x) = 2x2- 20x+ 80 and their revenue by the functionR(x) = -x2+ 5x+ 58. How many days will it take for the company to earn a profit?

(a)32

(b)30

(c)5

(d)1

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