Find the zeros of the function. You may want to view the graph of the function to help you identify the red root, then use it to depress the polynomial & find the remaining roots. f(x) = x3 + 4x2 + 7x + 6 O {2, 1+iv2, 1-i2} O{-2, 1+ iv2, 1-iv2} - + O{-2, -1+iv2, -1-iv2} 1 O {2, -1 + iv2, -1-iv2}