Find the intervals of concavity for the function f(x ) = 2x - 3x2 + 1. Concave up on (1, oo); concave down on ( -co, 1). O Concave up on (,00 ); concave down on (=0o, ? O Concave up or / - mu/ 10 ..). (-1,0)\\cup(\\frac{3}{2),\\infty) concave down on (0, v3) O Concave up on (-oo, 1 ); concave down on (1, Do). O Concave up on (-1, 0) U ((, co ); concave down on(-co, -1) U (0