Quiz 2 Bus 135.8 Time: 1.5 hours _2x-(3x*+2 ) y=- y=- 1. Differentiate: i) (4x2-2) ii) 14x +94 iii) y=x? (5x) -7x') 10 2. Given the functions i) y=x+ +/ (with x#0 ) 10 y=1 x+3+400 ii X a) Find the critical values. b) Check whether the stationary values are maxima or minima. c) Is there any inflection point on the curve of the function? If yes find the inflection point. y=f ( x)=x 3. Find the first four derivatives of the rational function (x*-1) 1+x Evaluate the second derivative at x=2. 5