SOLUTION: from a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of x.
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Question 45847: from a square piece of cardboard with width x inches, a square of width x-3 inches is removed from the center. Write the area of the remaining piece as a function of x. Answer by Nate(3500) (Show Source):
You can put this solution on YOUR website! Area of Square - Area of Removed Square = Remaining Area
x^2 - (x^2 - 6x + 9)
x^2 - x^2 + 6x - 9
6x - 9 = f(x)
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