O Which of the following curves is the graph of the equation f (I) = x - 2 y = 1 3 -2 1 3 y= x- 2 24 O $ 4 -3 -2 -7 2 3 O Y = X - 2 3 4 - - -NT x - 2 O x = - -2 -Find all of the critical points of the function f (x) = 13xl O x=0 O x=3,x=-3 . 3 f() - 13x1 O x=3, x=0,x=-3 O f (x) has no critical points. -2