Page: 1 of 1 - + Automatic Zoom Application (12 marks) 6. a) Find the critical value(s) of f(x) = x + 2sin(x) on the interval 0 s x S 27 f' le ) = 1 + 2cos ( x ) 1+ 2 cas ( 2 ) . 0 3 2 cos (x ) .-1 cas le ) . - 1 2 x : 25 x.47 3 3 (25, 3.83) , (45, 2.46)