Answer:
A,B,
Step-by-step explanation:
A function cannot have the same x values but can have the same y values.
Is D supposed to be (-1,7) by the way? If it is the answer will be A,B,D.
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The standard form: Ax + By = C
3x - y = -6 YES - A = 3, B = -1, C = -6
3x + y = 6 YES - A = 3, B = 1, C = 6
x + 6y = 9 YES - A = 1, B = 6, C = 9
x - 6y = -9 YES - A = 1, B = -6, C = -9
integral of e^x (sinx +cosx)= e^x sin x + c