Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Determine the conjugate radical of the expression ~3 -4. a. 3 -4 C. 3+4 b. /4+ 3 d. 4 - 3 15+ 3-3 2. Determine which expression is the correct rationalization of the denominator of a. 30 +9~/2 C. 30 - 612 6 3 b. 3 10 + 3-/2 d. 3 10 -6-/2 6 6 3. Determine an equation of the line tangent to the curve y = vx - 8 at the point with x-coordinate 9. a. -x + 2y+7 = 0 c. x - 2y+7 = 0 b. -x+ 2y+8 = 0 d. x - 2y+ 8 =0 4. Determine the slope of the tangent to the curve y = x at the point with x-coordinate 1 1. a. 1 c. 22 b. 11 d. 33 5. Suppose the motion of an avalanche is described by the function s() = 4 , where s is the distance in metres travelled by the leading edge of the snow at t minutes. Determine the rate at which the avalanche is moving at 3 minutes. a. 16 m/min. c. 30 m/min. b. 24 m/min. d. 40 m/min