6 For function 6 y=f(x)= x - y² +2x y = f(x) = -x²-x²+2x find and classify any point find and classify of inflection of f). Peale Determine the interval where any stationary point f(x) is concave up and concave down Determine interval where fo) is increasing or decreasing 6 y = f(x)=-X² x 4 2x 0 y = f(x)= x 3 x + 2x Find global minimum of find equation of tangent f(x) in interval [2, 1] at point x=1