Write y=-4x+ -167-14 in vertex form.
y = 4(x +4)2 +2
y = (x+2)2-14
' y=-4(x + 2)2 +2
y=-4(x-16)² – 14

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?