1. State the domain of the function A. all real numbers except 0, 1, and 3 B. all real numbers except 0 and 3 C. all real numbers except 0 D. all real numbers except 3 Hint 2. Given f(x) = 3x + 2x - 2 and g(x) = 4x + 1, find A. B. C. 3x2 - 2x - 3 D. 3x2 + 6x - 1 Hint 3. Find (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3. A. 12x2 + 36x + 28 B. 6x2 - 5 C. 6x2 + 5 D. 12x2 - 36x + 28 Hint 4. Find (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3. A. 12x2 + 36x + 28 B. 6x2 + 5 C. 12x2 - 36x + 28 D. 6x2 - 5 Hint 5. Find the zero of the function f(x) = -8x + 4. A. -2 B. C. D. 2 Hint 6. Write an equation in slope-intercept form for the line with a slopeof and a y-intercept of -3. A. y = x - 3 B. y = x + 3 C. y = x + 3 D. y = x - 3 Hint 7. Write an equation in slope-intercept form for the line with a slope -3 and passes through the point (4, 2). A. y = -3x + 14 B. y = -3x + 2 C. y = -3x - 8 D. y = -3x + 4 Hint 8. Write the standard form of the equation of the line that passes through the point (-1, 3) and is parallel to the graph of 2x - 7y + 1 = 0. A. 2x + 7y + 23 = 0 B. 2x + 7y - 23 = 0 C. 2x - 7y + 23 = 0 D. 2x - 7y - 23 = 0 Hint 9. The math scores, x, and chemistry scores, y, for six students are given in the table. Use a graphing calculator to find the Pearson product-moment correlation. A. about 0.65 B. about 0.68 C. about 0.74 D. about 0.71 Hint 10. The stated weight of the box of soap is 8.3 ounces. The company randomly chooses boxes to test to see whether their equipment is dispensing the right amount of product. If the discrepancy is more than 0.15 ounce, the production line is stopped for adjustments. Identify the type of function that models this situation. A. absolute value function B. a straight line C. greatest integer function D. step function Hint 11. Which is the graph of the inequality x + 2y - 2 0? A. B. C. D. Hint 12. State the domain and range of the relation. A. The domain includes just positive real numbers. The range includes all real numbers. B. The domain and the range include all real numbers. C. The domain includes negative real numbers. The range includes all real numbers. D. The domain includes all real numbers. The range includes all positive real numbers. Hint 13. Given f(x) = x-5 and g(x) = x2+ 3,find (f · g)(x). A. x2 –2x-15 B. 4x3 –2x C. x3 +5x2 +3x-15 D. x3 –5x2 +3x -15 Hint 14. Graph the equation 3x + 2y = 0 A. B. C. D. Hint 15. Find a linear equation that can be used as a model for the data shown. A. B. C. D. Hint 16. Determine whether 3x - 5y + 1 = 0 and 6x - 10y + 2 = 0 are parallel, coinciding, or neither. A. coinciding B. all are correct C. parallel D. perpendicular Hint 17. What type of relationship does the scatter plot suggest? A. a linear relationship with a positive correlation B. a linear relationship with a negative correlation C. no correlation D. no linear relationship Hint 18. Ilene analyzed her test scores and determined the equation of the best-fit line was y = 4.25x + 72. Predict her score for the 5th test. A. 93.25 B. 98.5 C. 88.75 D. 72.5 Hint 19. Graph the data on a scatter plot. A. B. C. D. Hint 20. Which is the graph of the compound inequality 0 x + y 4? A. B. C. D. Hint