I think you would divide the angle measure by two... Does your question give you options (A,B,C,D)?
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EDIT
Multiply by 2
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Constant is y =5
Cubic is y = x^3
Souare root is y = x ^2
I don’t know the rest sorry
D. The slope is the same between any two points because it is linear.
It would be 100 tens your welcome.