Answer:
2
Step-by-step explanation:
The line is at 2. Everything below that is shaded in.
So y is less than 2.
It's a reflection across the x axis, so the y intercept won't change (12)
f (x) = 3x + 12
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g(x) = -3x + 12
I MAY BE WRONG IM ONLY 80% SURE
Answer: 13
Step-by-step explanation: because I have the whole bookanswer duh
= 
The 2 right triangles are similar and so the ratios of corresponding sides are equal
The corresponding sides are x and 2, 6 and 1.5, hence
= 