2. Shown is the graph of y = f(x). Draw the graph of g(x) = -f(x).
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Step-by-step explanation: add Y to the X and then add -f to X Y and you will get the answers

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐