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VMariaS [17]
3 years ago
5

Which statements about the graph of the function f(x) = 2x2 – x – 6 are true? Check all that apply.

Mathematics
1 answer:
lbvjy [14]3 years ago
7 0
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 , ∞)
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