It equals 22.............
Option 1 is the correct answer. The open circle means that the end value (78) is not included in the solution. That is why the inequality statement says 78 > x.
Answer:
B) Vertex: (–9,2); minimum
Step-by-step explanation:
Replace B and small b and A by its values then multiply by 2 on both sides. You will get 42= 7h then h=6