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Study Guide and Review - Chapter 3 Expand each expression. 3 3 6 32. log3 9x y z SOLUTION: Condense each expression. 36. 3 log3 x – 2 log3 y SOLUTION: 33. log5 x2a 7 SOLUTION: 37. log2 a + log2 (b + 1) SOLUTION: 34. SOLUTION: 38. 5 ln (x + 3) + 3 ln 2x – 4 ln (x – 1) SOLUTION: 35. SOLUTION: Solve each equation. 39. 3x + 3 = 27x – 2 SOLUTION: Condense each expression. 36. 3 log3 x – 2 log3 y SOLUTION: eSolutions Manual - Powered by Cognero 37. log2 a + log2 (b + 1) 40. 253x + 2 = 125 SOLUTION: Page 1 Study Guide and Review - Chapter 3 40. 253x + 2 = 125 SOLUTION: 43. log2 x + log2 3 = log2 18 SOLUTION: 44. log6 x + log6 (x – 5) = 2 SOLUTION: 41. e2x – 8ex + 15 = 0 SOLUTION: 4 − 5 < 0 and the logarithm of a negative number provides no real solution, so x = 9. x = ln 3 or ln 5 42. ex – 4e−x = 0 SOLUTION: 43. log2 x + log2 3 = log2 18 eSolutions Manual - Powered by Cognero SOLUTION: Page 2