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Let A = c , d , f , gJ , B = t , js , and C = d , g } .

Let A = c, d, f, gJ, B = t, js, and C = d, g}. Answer each of the following questions. Give reasons for your answers.
a. Is B S A?
b. Is C sA?
b. Is C S C?
d. Is C a proper subset of A?

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