1. Evaluate . A. 4 B. 3 C. 2 D. 8 Hint 2. Solve . A. 1728 B. 5 C. 25 D. 144 Hint 3. What is the y-intercept of the graph of y = 2x + 5? A. (0, 1) B. (0, 5) C. (0, 6) D. (0, 32) Hint 4. The number e is _____. A. irrational and approximately 3.142 B. rational and approximately 2.718 C. irrational and approximately 2.718 D. rational and approximately 3.142 Hint 5. Write the equation in logarithmic form. A. B. C. D. Hint 6. Given that log 5 = 0.6990, evaluate log 5000. A. 3.6990 B. 2.6990 C. 4.6990 D. 5.6990 Hint 7. Convert log5 145 to a natural logarithm. A. B. ln 5 - ln 145 C. D. ln 145 - ln 5 Hint 8. Solve 9.4 = -12.5 ln x. A. 0.2625 B. 0.5219 C. 0.4714 D. 0.3464 Hint 9. Which inequality represents the graph shown? A. y 2x - 3 B. y 2x - 3 C. y > 2x + 3 D. y < 2x + 3 Hint 10. Which of the following equations models exponential growth in terms of e? A. y = (106) e-.0223t B. y = (-10) e-2.74t C. y = (108)e.054t D. y = (108) e-4.6t Hint 11. Evaluate the expression A. B. -3 C. D. 3 Hint 12. Find the value of log9219 using the change of base formula. A. 1.3862 B. 3.1021 C. 2.4527 D. 0.2601 Hint 13. If the population of a city can be modeled by the equation y = 12,500(1.03) x, where x is the number of years since 1965, what is the estimated population in 2006? A. 38, 611 B. 41,999 C. 45,100 D. 549,464 Hint 14. The number of bacteria in a culture can be modeled by the exponential function N = 6.5828(1.1769)t, where t is the number of hours. What will the number of bacteria be in 19 hours? Round to nearest whole number. A. 203 B. 177 C. 145 D. 121 Hint