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lesantik [10]
3 years ago
8

Help! Best/Correct answer = Brainiest.

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0

Answer:

Step-by-step explanation:

looking at the graph,

when x = 3, y = -10

-10 = 2(3)^2 + 3b + 8

-10 = 18 + 3b + 8

-10 = 26 + 3b

3b = -36

b = -36/3

b = -12

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