If f(x) = 3x^ 2 + 15x + 5, then the approximate value of f (3.02) is (A) 47.66 (B) 57.66 (C) 67.66 (D) 77.66 contexto.140 3 years ago Let ……….(i) ……….(ii) Changing to and to in eq. (i), = ……….(iii) Here, and From eq. (iii), Since, and is approximately equal to and respectively. From eq. (i) and (ii), = = Therefore, the correct option is option (D).