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- 1. Multiple ChoiceA cliff diver on a Caribbean island jumps from a height of 105 feet, with an initial upward velocity of 5 feet per second. An equation that models the height, h(t), above the water, in feet, of the diver in time elapsed, t, in seconds is h(t) = -16t2+ 5t + 105. How many seconds, to the nearest hundredth, does it take the diver to fall 45 feet below his starting point?1.451.842.102.72
- 2. Multiple ChoiceThe graph of y = (x - 3)2 is shifted left 4 units and down 2 units. What is the axis of symmetry of the transformed graph?x = -2x = -1x = 1x = 7
- 3. Multiple ChoiceWhat is the range of f(x) = (x + 4)2 + 7?y > -4y≥ 4y = 7y≥ 7
- 4. Multiple ChoiceIf d varies inversely as t, and d = 20 when t = 2, what is the value of t when d = -5?82-8-2
- 5. Multiple ChoiceDwayne purchased a computer from Techtronics, Inc. for $2600 in 2007. The rate of depreciation is 7%. Which would be the best estimate for the value of the computer in 2010?$1945$2091$2577$2593
- 6. Multiple ChoiceThe growth of bacteria in a dish is modeled by the function f(t) = 2t/3. For which value of t is f(t) = 32?821516
- 7. Multiple ChoiceIf f(x) = x2 - 6 for x ≥ 0, find the inverse, f-1(x).√(x - 6)±√(x + 6)√(x + 6)-√(x + 6)
- 8. Multiple Choice
{x | x > -4}; {y | y > 2}{x | x ≥ -4}; {y | y ≥ 2}{x | x > 2}; {y | y > -4}{x | x ≥ 2}; {y | y ≥ -4} - 9. Multiple ChoiceIf f(x) = x2 - 3, then f(a - b) is equivalent toa2- b2 - 3a2- 2ab - b2 - 3a2- 2ab + b2 - 3a2 + b2 - 3
- 10. Multiple ChoiceDescribe the shifts in direction of the vertex when the equation y = |x| changes to the equation
y = |x + 2| + 1.right 2 units and up 1 unitleft 2 and up 1 unitright 1 units and up 2 unitsleft 1 unit and down 2 units - 11. Multiple Choice(x - 3)2 + (y + 4)2 = 16(x - 3)2 + (y + 4)2 = 18(x + 3)2 + (y - 4)2 = 16(x + 3)2 + (y - 4)2 = 18
- 12. Multiple ChoiceWhich circle has the smallest circumference?(x - 4)2+ y2 = 18(x - 5)2 + y2 = 16(x + 8)2 + (y - 10)2 = 12(x+9)2 + (y - 1)2 = 10
- 13. Multiple Choice6162428
- 14. Multiple ChoiceWhat are the coordinates of A', the image of point A(-3, 4), after a 180⁰ rotation about the origin?(4, -3)(-4, -3)(3, 4)(3, -4)
- 15. Multiple ChoiceThe point (3, -2) is rotated 90⁰ about the origin and then dilated by a scale factor of 4. What are the coordinates of the resulting image?(-12, 8)(12, -8)(8, 12)(-8, -12)
- 16. Multiple ChoiceSSSSASASAHL
- 17. Multiple ChoiceWhich of the following equations represents the function f(x) obtained by shifting the function
g(x) = x2 four units to the right, then down one unit, and finally reflected over the x-axis?f(x) = -(x - 4)2 - 1f(x) = -(x - 4)2 + 1f(x) = -(x + 4)2 + 1f(x) = -(x + 4)2 - 1 - 18. Multiple Choice6√236√29√812√3
- 19. Multiple ChoiceIf the perimeter of an equilateral triangle is 18m the length of the altitude of this triangle is66√333√3
- 20. Multiple ChoiceIn ∆ABC, if a = 8, b = 5 , and c = 9, then cos A is7 /15- 7 /15¼-¼
- 21. Multiple ChoiceThe straight string of a kite makes an angle of elevation from the ground of 60°. The length of the string is 400 ft. What is the best approximation of the height of the kite?200 ft250 ft300 ft350 ft
- 22. Multiple Choicey = sin xy = cos xy = sin ½xy = cos ½x
- 23. Multiple ChoiceABCD
- 24. Multiple ChoiceVince buys a box of candy that consists of six chocolate pieces, four fruit flavored pieces, and two mint pieces. He selects three pieces of candy at random, without replacement. Calculate the probability that the first piece selected will be fruit flavored and the other two will be mint.1/1656/551/556/165
- 25. Multiple Choice260/3610150/1270260/1270110/150
- Answer choicesTagsAnswer choicesTags