All the roots of the cubic polynomial f(x)-3x^3+bx^2+cx+d are negative real numbers. If f(0)=81, find the smallest possible value of f(1). Prove that your answer is the minimum

imbadatmath May 26, 2021

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maybe explain if possible since i'm still confused on how you got to the answer

imbadatmath
May 26, 2021