Answer:
78
Step-by-step explanation:
112-18-16=78
Hello,
1: dom f=R
2: img f =R
3: 2x²-x-6=2(x²-2x/4+1/46)-6-1/8=2(x-1/4)²-49/8
Vertex=(1/4,-49,8)
4: roots are -3/2 and 2
2(x-1/4)²-49/8=1/8[(4x-1)²-49]=1/8*(4x+6)(4x-8)
5:
From the vertex to ∞
[-1/4 , ∞)
1. 4.374
2. 52.64
3. 840.5
Answer: Your answer should be B
Step-by-step explanation: Give brainliest if it works!