Which of the following collections of subsets of the plane, R2 , are partitions?
(a) {{(x; y) | x + y = c}| c  R}
(b) The set of all circles in R2
(c) The set of all circles in R2
centered at the origin together with the set {(0; 0)

the answer for this question is 38

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i'm sorry mate, but i am not seeing any figures. i am unable to solve this for you.

answer: it is a.,b.,d.

step-by-step explanation: