math please help

Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. f(x) = -x2 - 2x – 6

Find the degree of the polynomial function. f(x) = πx5 - 6x4 – 9

Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. F(x) = -3x2 + 6x