OpenStudy (anonymous):

The number 4 is an upper bound for the set of roots of this polynomial function. f(x)=3x^4-5x^3-5x^2+5x+2

5 years ago
OpenStudy (raden):

because the sum of all co-efficients and constanta equal 0, so one of the solution is 1 it means (x-1) is one of the factor of f(x)=3x^4-5x^3-5x^2+5x+2 and then use synthetic division to find the other factors, and take the zeros to solve the roots of it

5 years ago
OpenStudy (raden):

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5 years ago