# Polynomial Functions

There are total of 14 attached problems and they look like these:

Find all possible rational roots of: f(x)=2x ^4 - 5x^3 +8x +4x+7

Find all the real roots of f(x) = x^3 + x^2 -8x -6

Find the number of possible positive and negative real zeros of :f (x) = 3x^3 -4x^2 -5x +1.

See the attached file.

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#### Solution Summary

The solution contains the solution to the given roots polynomial functions.

$2.19