Determining convex and concave functions

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Reference no: EM13122450

Which of the following is the complete set of numbers for which the function f(x) = 3x^3-6x^2 is convex?

a. x is less than or equal to 0

b. x is greater than or equal to 0

c. x is less than or equal to 1

d. x is greater than or equal to 1

e. none of the above

Reference no: EM13122450

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