Respuesta :

9514 1404 393

Answer:

  x(C) = (C -75000)/150

Step-by-step explanation:

To solve for x, undo what is done to x.

  c = 75000 +150x

  c -75000 = 150x . . . . . . . subtract 75000

  (c -75000)/150 = x . . . . . divide by the coefficient of x

The area function is ...

  x(C) = (C -75000)/150

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