Answer:
Step-by-step explanation:
4x + 7 + 2x + 5 = 180
6x + 12 = 180
6x = 168
x = 28
4(28) + 7= 112 + 7= 119
2(28) + 5 = 56 + 5= 61
1/2 x^2 + 2x - 6 = 0
(1/2 x - 1)(x + 6) = 0
zeroes are 2 and -6
so the graph intersects x axis at -6 and 2
The only one to do that is diagram A
