If f(x) = 3x^2 + x^3logx, then f(x) is?(a) O(x^2)(b) O(x^3)(c) O(x)(d) O(1)The question was asked in exam.My doubt is from The Growth of Functions topic in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics

If f(x) = 3x^2 + x^3logx, then f(x) is?(a) O(x^2)(b) O(x^3)(c) O(x)(d)

1.	If f(x) = 3x^2 + x^3logx, then f(x) is?(a) O(x^2)(b) O(x^3)(c) O(x)(d) O(1)The question was asked in exam.My doubt is from The Growth of Functions topic in section Basic Structures: Sets, Functions, Sequences, Sums and Matrices of Discrete Mathematics
Answer» RIGHT CHOICE is (b) O(x^3) For explanation: 0 < 3x^2

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