Harumatsu9210 Harumatsu9210 05-06-2024 Mathematics Answered Function f(x) = x4 - 12x3 + 46x2 - 60x + 30 has critical points at:I. x = 1; II. x = 3; III. x = 6. Options are: a. Only Ib. II onlyc. III onlyd. I and IIe. II and III