Round to the nearest ones place for the problem as follows......3.9
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I have worked out the answer to the question, I hope it helps you. Please do not forget to check if this answer if reliable, I am not always correct
We can use the vertex form of a quadratic, 
, to find that 
. Plugging 
ordered pairs into g(x), we see that a = 1. For example, for 
, 
. Solving for a gives 1.