1/3x plus 3/4 plus 2/3x -1/4-2/3x please help :(

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

Select the sequences that are geometric.