For what values of a. and b is the line 23: + y = b tangent to the parabola y = (13:2 when a: = 6? Use the graph below to help check your answer. a: It EE (J: 9 E! l b=1.1 + 2 1o -- 1o ' - _ A _ (2.261,5.621) E 2x+y=b 3 a=1.1 4 2 1o - 1o 4 y=a1x2 2