And explain how to do it if you can : )

Graph C.

Step-by-step explanation:

If you calculate f for x=0, you get f(0)=3*1=3. This rules out answer A already.

Next, you can expect the graph to approach y=0 for large x. The larger the x, the more times you're multiplying by 0.5. Graph C is the only one that does that. So even without actually graphing it, you know that C is the one.

< 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⭐

it’s supposed to be -4+45=41

step-by-step explanation: