Answer:
10779
i think some error in this question
On a graph, points are grouped to form a line with positive slope. Points (3, 9), (7, 1) and (11, 2) are not on the line.
2 answers:
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Check the picture below.
something worth noticing
so, we're really graphing x+2, with a hole at x = 3, however, when x = 3, we know that f(x) = 5, but but but, when x = 3, x+2 = 5, so we end up with a continuous line all the way, x ∈ ℝ, because the "hole" from the first subfunction, gets closed off by the second subfunction in the piece-wise.
