Solve the problem.A window is in the shape of a square topped by a semicircle. The side of the square is x cm and the window cannot be wider than 150 cm. Find the function for the perimeter of the window and the domain of the function.
A. P = 3x + 
?x2 : 0 < 150 ? x
B. P = 4x + 
?x2 : 0 < x ? 150
C. P = 4x + ?x : 0 < x ? 150
D. P = 3x + 
?x : 0 < x ? 150
Answer: D
Mathematics
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