1. The graph |y| = 4 - |2x| is symmetric with respect to __________. A. both the x-axis and the y-axis B. neither the x-axis northe y-axis C. the x-axis D. the y-axis Hint 2. If you use the parent graph f(x) = [[x]], describe how you would graphg(x) = 3[[x]]. A. The vertical distance between the steps for g(x) is 1/3 unit. B. There would be no difference between f(x) = [[x]] andg(x) = 3[[x]]. C. The vertical distance between the steps for g(x) is 3 units. D. None of these is correct. Hint 3. Which is the graph of y x3 + 1? A. B. C. D. Hint 4. Which is the graph of f(x) = |x| - 4 and its inverse? A. B. C. D. Hint 5. A family has a monthly net pay N which is 70% of their gross monthly pay G. They decided to subtract their monthly food allowance of \$350 from their monthly net pay and invest 5% of the remainder. Write an equation for the investment each month I, given the above restrictions. A. I = 0.95(0.3G - 350) B. I = 0.95(0.7G - 350) C. I = 0.05(0.7G - 350) D. I = 0.05(0.3G - 350) Hint 6. When is the function f(x) = continuous at x = 2? A. always B. never C. not enough information is given D. sometimes Hint 7. Determine whether the given critical point of x = -7 is the location of a relative maximum, relative minimum, or a point of inflection for the function f(x) = x3 + x2 + 1. A. minimum B. point of inflection C. maximum D. none is correct Hint 8. Use a graphing calculator to graph g(x) = x3 - x + 1 and to determine and classify its extrema. A. relative maximum: (1.38, -0.6); relative minimum (0.6, 0.62) B. relative minimum: (-0.6, 1.38); relative maximum: (0.6, 0.62) C. relative minimum: (1.38, -0.6); relative maximum: (0.6, 0.62) D. relative maximum: (-0.6, 1.38); relative minimum: (0.6, 0.62) Hint 9. Determine the slant asymptote for f(x) = . A. y = 3x + 2 B. y = 2x + 3 C. y = -2x +3 D. y = 3x - 2 Hint 10. If y varies directly as the cube of x and y = 30 when x = 2, find x wheny = 468.75. A. 9 B. 3 C. 7 D. 5 Hint 11. Suppose y varies directly as x and y = 13 when x = 7. Find the constant of variation and write an equation. A. k = and y = x B. k = and y = 13 · 7x C. k = and y = x D. k = and y = 13 · 7x Hint 12. Which is an odd function? A. B. C. D. Hint 13. If you use the parent graph as a reference, describe how you would graph . A. Compress vertically by a factor of , then move 4 units down. B. Compress horizontally by a factor of , then move 4 units down. C. Expand horizontally by a factor of , then move 4 units down. D. Expand vertically by a factor of 3, then move 4 units down. Hint 14. Solve |3x + 5| - 4 < 2. A. B. C. D. Hint 15. Determine the type of discontinuity this function exhibits. A. jump discontinuity B. none of these C. point discontinuity D. infinite discontinuity Hint 16. Determine the equation of the vertical asymptote for the function:f(x) = + 2. A. x = -2 B. x = 0 C. y = 0 D. x = 2 Hint