8. Solve each inequality without using technology. Illustrate the solution on a number line. Check your...
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8. Solve each inequality without using technology. Illustrate the solution on a number line. Check your solutions using technology. a) 3 x + 5 << 2 x²-x-20 4x - 12 x2 y >0 2 b) 2 d) 3 x + 2 x x+5 S 7 9. Angle x lies in the third quadrant, and tanx = 24 a) Determine an exact value for cos 2x. b) Determine an exact value for sin 2x. 10. Prove that (sin 2x) (tanx + cotx) = 2. 4 x + 3 11. Model the graph shown using a cosine function. x-1 x + 7 a) From the graph, determine the amplitude, the vertical translation, the phase shift, and the period. b) Write an equation for the function. 8. Solve each inequality without using technology. Illustrate the solution on a number line. Check your solutions using technology. a) 3 x + 5 << 2 x²-x-20 4x - 12 x2 y >0 2 b) 2 d) 3 x + 2 x x+5 S 7 9. Angle x lies in the third quadrant, and tanx = 24 a) Determine an exact value for cos 2x. b) Determine an exact value for sin 2x. 10. Prove that (sin 2x) (tanx + cotx) = 2. 4 x + 3 11. Model the graph shown using a cosine function. x-1 x + 7 a) From the graph, determine the amplitude, the vertical translation, the phase shift, and the period. b) Write an equation for the function.
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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