Is this relation a function? Justify your answer. 10 .
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3
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O A. No, because two points with the same y-value have different x-
values.
B. Yes, because the number of x-values is the same as the number of
y values
C. Yes, because every x- and y-value is positive.
D. No, because two points with the same x-value have different ya
values.

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Step-by-step explanation:

< 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⭐

none cuz there are no "following statements" regarding the question

step-by-step explanation: