(1 point} Finci all critical values for the function flit) = t4 12c3 + 16c2 and then list them {separated by commas] in the box below. List Of critical numbe rs: C] (1 point) The function f() = 2x + 9:x has one local minimum and one local maximum. This function has a local maximum at c = with value and a local minimum at c = with value