Knowledge [15 marks} Multiple Choice (2 marks each} -Identify the choice that best completes the statement or answers the question and then provide a reason or mathematical rationale on the line below each question. '1. Determine the number of real solutions when solving this equation: [I I 1' (1+5? (14?. a. 4 c. 3 I12 11.5 2. The function 3; I 41-1} {1-2) [1-3] is positive on the interval: IE {1, 21mm 1' E {3,150} IE (2.3} 1E { no.1)nnd xE[2.3) IE (2.3} s-ns-s 3. Which of the following represents a cubic that enters in Quadrant 3 and exits in Quadrant '1? a. {x 1f{ 3: 2] c. (x + 113.3: + 2}1 b. {x + rz 3:} d. [ x + 13.1{31 + 2}