3243 11. log 5 12. Evaluate the expression log . Evaluate each expression. 13. 14. log 75 Express each logarithm in terms of ln 3 and ln 5. 15. ln Solve each equation. 1 + 4 – 16. 32x = 16x + 7 3 – 17. 4x = 5x 18. Solve = 7.4 for correct to four decimal places. e–5x x 6 19. Solve log = 2 x Solve each equation. 7 7 20. log (x2 + 11) = log 15 21. Find the values of the six trigonometric functions for angle , when = 50 and = 64. PQ QR θ 22. If sec = , find cot θ θ. 23. If = 19.2 and = 61°, find Round to the nearest tenth. g F h. 24. If = 26 and = 5.7, find Round to the nearest tenth. t r S. 25. Solve by using the measurements = 90°, = 75°, and = 15. Round measures of sides to the nearest r
11. log 3243 12. Evaluate the expression log 5 . Evaluate each expression. 13. 14. log 75 Express each logarithm in terms of ln 3 and ln 5. 15. ln Solve each equation. 16. 32x – 1 = 16x + 4 17. 4x + 7 = 5x – 3 18. Solve e–5x = 7.4 for x correct to four decimal places. 19. Solve log 6 x = 2 Solve each equation. 20. log 7 (x2 + 11) = log 7 15 21. Find the values of the six trigonometric functions for angle θ , when PQ = 50 and QR = 64. 22. If sec θ = , find cot θ. 23. If g = 19.2 and F = 61°, find h. Round to the nearest tenth. 24. If t = 26 and r = 5.7, find S. Round to the nearest tenth. 25. Solve by using the measurements = 90°, = 75°, and r = 15. Round measures of sides to the nearest
Precalculus_S_Final_Review_Chapters_3_and_4.docx