10. Which of the following functions has the shortest period? a. y = 6 sin(3x) + 20 C. y = 7cos(xx) + 13 b. y = 8cos(2x) - 4 d. y = 2 sin(0.5x) - 11 11. Solve the equation log(2x2 - 10) - log(3x + 5) = log 2. a. x=0 C. x = 5 b. x = -2 d. x =2 12. Which of the following statements is true? a. The domain of a logarithmic function is not {x e R). b. Vertical and horizontal translations must be performed before horizontal and vertical stretches/compressions. C. A transformed logarithmic function always has a horizontal asymptote. d. The vertical asymptote changes when a vertical translation is applied. 13. The function y = log-x + 3 is a. compressed vertically by a factor of c. translated down 3 units b. stretched horizontally by a factor of 4 d. translated left 3 units 14. The equation of the vertical asymptote for the function y = 3log(x + 4) is a. x=-4 C. x=4 b. x=3 d. r=0 15. Evaluate log, (3/31 )". a. -9 C. -2 b. 81 d. 16. Suppose fix) = x and g(x) = 56 - x. What are the x-intercepts of the graph of y = g(x) - f(x)? a. -8 and -7 b. -8 and 7 C. -7 and 8 d. 7 and 8