Write the interval as an inequality involving x, and illustrate the inequality using the real number line.(-?, 4)
A. x < 4
B. x ? 4
C. x ? 4
D. x < 4
Answer: A
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Solve the quadratic equation using the quadratic formula.x2 - 6x + 34 = 0
A. {-2, 8} B. {3 - 25i, 3 + 25i} C. {3 + 5i} D. {3 - 5i, 3 + 5i}
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. - 
B. -1 - 2
C. - 
D. - 
The following data are the snowfall readings (in inches) for a certain city's top ten winter storms. 26?18.3?20?18.3?23.417.6?26?16.1?18.3?15.3(a) Find the mean, median, and mode for the data.(b) Suppose the value 15.3 was actually recorded as 51.3. Compute the mean, median, and mode again using this value. Comment on any differences from the results in part (a).
A. (a) mean: 19.93, median: 18.3, mode: 18.3; (b) mean: 23.53, median: 19.15, mode: 18.3; The mean and median are both greater than in part (a). B. (a) mean: 19.93, median: 18.3, mode: 18.3; (b) mean: 22.7818182, median: 18.3, mode: 18.3; The mean is greater than the mean in part (a) but the median is the same as in part (a). C. (a) mean: 20.7, median: 18.3, mode: 26; (b) mean: 20.7, median: 18.3, mode: 26; The mean, median, and mode are the same as in part (a). D. (a) mean: 20.7, median: 19.15, mode: 26; (b) mean: 24.3, median: 21.7, mode: 26; The mean and median are both greater than in part (a).
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.ln l
A. 1 B. 0 C. -1 D. e