1. The domain of a relation is all positive integers less than 4. The range of y or the relation is 2 plus x, where x is a number of the domain. Write the relation as a table of values and as an equation. A. B. C. None of these. D. Hint 2. The revenue for the sale of x objects is r(x) = 8x. The cost of manufacturing x objects is c(x) = 0.5x + 300. Write the profit function. A. 8.5x + 300 B. 7.5x + 300 C. 8.5x - 300 D. 7.5x - 300 Hint 3. State the domain of (x) for f(x) = and g(x) = A. B. C. D. Hint 4. Find the zero of the function f(x) = -8x + 4. A. B. 2 C. D. -2 Hint 5. Jane is opening a home-based business. She determined that she will need \$4500 to buy a computer and supplies to start. She expects expenses for each following month to be \$800. Write an equation that models the total expense y after x months. A. y = 800x + 4500 B. y = 4500x - 800 C. y = 800x - 4500 D. y = 4500x + 800 Hint 6. Find a linear equation that can model the data shown in the graph. A. 2x -3y + 6 = 0 B. 2x + 5y - 3 = 0 C. 3x - 2y + 6 = 0 D. 2x + 3y + 6 = 0 Hint 7. Determine the equation of the perpendicular bisector of the line segment with endpoints S(2, 6) and T(10, -4). A. 4x - 5y + 19 = 0 B. 5x + 4y + 19 = 0 C. 4x - 5y - 19 = 0 D. 5x - 4y - 19 = 0 Hint 8. Determine two points that appear to represent the data in the scatter plot. Then find and interpret the slope. A. Mary improved her free throw performance from year-to-year by an average of about 15% B. Mary improved her free throw performance from year-to-year by an average of about 10%. C. Mary improved her free throw performance from year-to-year by an average of about 20% D. Mary improved her free throw performance from year-to-year by an average of about 25%. Hint 9. Which is the graph of f(x) = [[2x]]? A. B. C. D. Hint 10. Which is the graph of g(x) = |6 - |2x||? A. B. C. D. Hint 11. Which is the graph of the inequality y |x - 3|? A. B. C. D. Hint 12. State the domain and range of the relation. A. The domain includes negative real numbers. The range includes all real numbers. B. The domain includes just positive real numbers. The range includes all real numbers. C. The domain and the range include all real numbers. D. The domain includes all real numbers. The range includes all positive real numbers. Hint 13. Find the x- and y-intercepts of the equation: A. x-intercept –5; y-intercept 2 B. x-intercept 2; y-intercept 5 C. x-intercept 5; y-intercept -2 D. x-intercept –2; y intercept 5 Hint 14. Write the equation of the line perpendicular to 5y + 3x - 10 = 0 and that passes through the point (3,1). A. 5x - 3y - 12 = 0 B. 3x + 5y - 50 = 0 C. 5x - 3y - 4 = 0 D. 5x + 3y - 12 = 0 Hint 15. Graph the data on a scatter plot. A. B. C. D. Hint 16. The maximum cost of Ana's long-distance plan is \$5.00 each month plus \$0.10 per minute.Name a combination of minutes and cost that fit this inequality. A. (15,10) B. (6,10) C. (10,15) D. (10, 6) Hint