Hello, hope you are having a splendid day.
We are given a point and the slope of a line, so we can use that information and the point-slope formula, which looks like so:
y-y1=m(x-x1)
We put the points inside the formula:
y-(-4)=7(x-3)
y+4=7(x-3)
Therefore, the answer is Option A. Hope this helps. Ask me if you have any queries.
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Good luck.