exam1Af10 - y x x

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NOTE: Be sure to bubble the answers to questions 1{14 on your scantron. Questions 1 - 9 are worth 5 points each. 1. If sec = ¡ 3 2 and … < < 3 2 , flnd sin 2 . a. ¡ 6 13 b. 4 p 5 9 c. ¡ 10 9 d. ¡ 2 p 5 9 e. 12 13 2. Solve the inequality: 1 x ¡ 1 2 x + 1 3. Evaluate lim x ! a x ¡ a x a 2 ¡ 1 x if a > 0. 4. An open rectangular box with a square base has a volume of 12 cubic feet. Express the surface area S of the box (in square feet) as a function of the length x (in feet) of a side of the base. a. S = x 2 + 48 x b. S = 12 x 2 c. S = x 2 + 12 x 2 d. S = 72 x 3 e. S = 4 x + 48 x x x y 2A
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5. Given the graph of f ( x ) = p x , which of the following will result in the graph of y = 3 ¡ 2 p x + 1? horizontally by a factor of 2, and move up 3 units x -axis, move left 1 unit, and move up 3 units of 2, move up 3 units, and re ect over the x -axis
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