Question 1 of 50 2.0 Points Simplify the complex rational expression. A. B. C. D. Question 2 of 50 2.0 Points Solve the quadratic equation by the square root property. (2x + 5) 2 = 49 A. {-6, 1} B. {0, 1} C. {-27, 27} D. {1, 6} Question 3 of 50 2.0 Points Solve the linear equation. A. B. C. D. Question 4 of 50 2.0 Points Write the number in scientific notation. 0.000779 A. 7.79 x 10 -4 B. 7.79 x 10 4 C. 7.79 x 10 -3 D. 7.79 x 10 -5 Question 5 of 50 2.0 Points Graph the equation in the rectangular coordinate system. 3y = 15 A. B. C. D. Question 6 of 50 2.0 Points Along with incomes, people's charitable contributions have steadily increased over the past few years. The table below shows the average deduction for charitable contributions reported on individual income tax returns for the period 1993 to 1998. Find the average annual increase between 1995 and 1997. A. $270 per year B. $280 per year C. $335 per year D. $540 per year Question 7 of 50 2.0 Points Find the domain of the function. A. (-∞, 6) (6, ∞) B. C. D. (-∞, 6] Question 8 of 50 2.0 Points Graph the line whose equation is given. A. B. C. D. Question 9 of 50 2.0 Points Find the zeros of the polynomial function. f(x) = x 3 + 5x 2 – 4x – 20 A. x = –5, x = 4 B. x = –2, x = 2 C. x = –5, x = –2, x = 2 D. x = 5, x = –2, x = 2 Question 10 of 50 2.0 Points You have 332 feet of fencing to enclose a rectangular region. What is the maximum area? A. 6889 square feet B. 6885 square feet C. 110,224 square feet D. 27,556 square feet Question 11 of 50 2.0 Points Find the vertical asymptotes, if any, of the graph of the rational function. A. x = 4 and x = 4 B. x = 4 C. x = 0 and x = 4 D. No vertical asymptote Question 12 of 50 2.0 Points Find the y-intercept for the graph of the quadratic function. y + 4 = (x + 2) 2 A. (0, 4) B. (0, 0) C. (4, 0) D. (0, -4) Question 13 of 50 2.0 Points Use Newton's Law of Cooling, T = C + (T0 – C).e kt, to solve the problem. A cup of coffee with temperature 102°F is placed in a freezer with temperature 0°F. After 8 minutes, the temperature of the coffee is 52.5°F. What will its temperature be 13 minutes after it is placed in the freezer? Round your answer to the nearest degree. A. 32°F B. 29°F C. 35°F D. 27°F Question 14 of 50 2.0 Points Use the graph of f(x) = log x to obtain the graph of g(x) = log x + 5. A. B. C. D. Question 15 of 50 2.0 Points Evaluate or simplify the expression without using a calculator. log 1000 A. 3 B. 30 C. D. Question 16 of 50 2.0 Points A fossilized leaf contains 15% of its normal amount of carbon 14. How old is the fossil (to the nearest year)? Use 5600 years as the half-life of carbon 14. Solve the problem. A. 35,828 B. 15,299 C. 1311 D. 21,839 Question 17 of 50 2.0 Points Find the exact value of the expression. tan -1 0 A. 0 B. C. D. Qu ...