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A kiosk in the mall charges $ 55 for basic cell phone repair service. It is estimated that the total cost to repair x cell

A kiosk in the mall charges $ 55 for basic cell phone repair service. It is estimated that the total cost to repair x cell phones in a month is C (x) = 1115 + 31 x + 0.3 x2 dollars a) Calculate the marginal functions of income and profit Marginal income Marginal profit = b) Calculate the revenue and profit, and also the marginal revenue and marginal profit, if they have repaired 29 cell phones in a month. Results to two decimal places Entry gain Marginal income marginal profit $ $ $ per unit $ per unit c) For what value of x is the marginal profit zero? cell phones

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Contesta lo siguiente Un kiosko en el centro comercial cobra $ 55 por servicio basico de reparacion de celulares. Se estima que el costo total en reparar x celulares en un mes es C(x) = 1115 + 31x + 0.3 x2 dolares a) Calcular las funciones marginales de ingresos y ganancia . Ingreso marginal = Ganancia marginal = b) Calcular los ingresos y las ganancias, y tambien el ingreso marginal y ganancia marginal, si han reparado 29 celulares en un mes. Resultados a dos lugares decimales Ingreso = $ ganancia = $ Ingreso marginal = $ por unidad ganancia marginal = $ por unidad c) Para que valor de x que la ganancia marginal es cero? celulares

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