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1. Write the expression as the logarithm of a single number or expression with a coefficient of 1. Assume all variables represent positive numbers. log 30 - log 6 A) log 11 B) log 5 C) log 24 D) log 2. Find the value of the expression. log10 10 A) 1 B) -1 C) 0 D) 10 3. Write in logarithmic form. 52 = 25 A) 2 = log25 5 B) 2 = log5 25 C) 5 = log2 25 D) 25 = log5 2 4. Solve the equation for c. log (7 + p) = log (4c - 5) A) B) C) D) 5. Solve the equation. log25 x = A) 33,554,432 B) 0.00000003 C) 625 D) 5 6. Solve the equation. ln eln x - ln (x - 7) = ln 9 A) 63/8 B) C) -63/8, 63/8 D) 7, 9 7. Find the value of the expression. log8 A) 64 B) -3 C) -64 D) 3 8. Write the expression as the logarithm of a single number or expression with a coefficient of 1. Assume all variables represent positive numbers. ln (5x + 5) + ln (x + 7) A) ln B) ln (5x2 + 12x + 35) C) ln (6x + 12) D) ln (5x2 + 40x + 35) 9. Classify the function as a linear, quadratic, or exponential. f(x) = 7 ∙ 22x2-7 A) Quadratic B) Exponential C) Linear 10. Solve the equation. log x3 = (log x)3 A) 0, 1 B) 1, 0.138 C) 1, 0.019 D) 1, 3 11. Convert to exponential form. log5 25 = 2 A) (2)5 = 25 B) (5)25 = 2 C) (25)2 = 5 D) (5)2 = 25 12. Solve the equation. log (x + 9) = 1 - log x A) -1 B) 1, 10 C) 1 D) -10, 1 13. Evaluate the expression. log7.4 99 A) 2.2959 B) 13.3784 C) 1.9956 D) 0.4356 14. Write the expression as a sum and/or a difference of logarithms with all variables to the first degree. ln A) ln fz - 3 ln z B) ln f - 3 ln z C) ln f - D) ln f - ln z ln z 15. Classify the function as a linear, quadratic, or exponential. f(x) = 8x + 1 A) Exponential B) Quadratic C) Linear 16. Solve the problem. The sales of a mature product (one which has passed its peak) will decline by the function time in years. Find the sales after if where t is and A) 9823 B) 114,183 C) 565,550 D) 19,645 17. Use a calculator to evaluate the logarithm. ln 68 A) 1.8325 B) 25.0923 C) 0.2363 D) 4.2195 18. Solve the exponential equation. 22x = 216 A) 2 B) -8 C) 8 D) 16 19. Write the expression as the logarithm of a single number or expression with a coefficient of 1. Assume all variables represent positive numbers. log 3 + log 12 - log 4 A) log 9 B) log 16 C) log 7 D) log 11 20. Solve the equation. log9 (x - 5) + log9 (x - 5) = 1 A) -8, 8 B) 8 C) D) - ,