Pretest # 2 : Q,: find the derivative usmy techniques. 1.1) 61x ) = 5(3x7 + 1 ) (24-7) 1. 2 ) flx ) = /7x+1 15 1 - 3X 1. 3 ) flx ) = - 3 1+2 x - 4x 1.4) flx ) = (3*-1)3 (1+2x - 343)4 Q2: If s) input changes from 6 to 5.5 2) fly ) = 7x+ 2 X OR Pescontange then, approximate the percent change of f