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WELCOME TO TOM'S 2003 TRIG COMPETITION

(1). Determine the solution to the inequality |x3 - 5x + 3| - 4 < 0

(2). A window had the shape of a rectangle with a semicircle mounted on the top. Let x represent the diameter of the semicircle. The rectangular portion of the rectangle is 5ft taller than its wide. Give the Area of the window as a function of x.

(3). The halflife of tritium is 12.4 years. If the initial amount of tritium present is 0.42 kg, approx how much tritium will remain after 45 months?