Suppose Newton's method is used to approximate a zero of f (@ ) and that the tangent line of f (x) at the point (3, 2) is given by y = 4x - 10. If the initial approximation is a0 = 3, then what is x1? O C1 = 3.2 O *1 = 2.5 O X1 = 3.426 O 21 = 3.5 O X1 = 2.867