The lists below show five agricultural crops in Alabama, Arkansas, and Louisiana.AlabamaArkansasLouisianasoybeans (s)soybeans (s)soybeans (s) peanuts (p)rice (r)sugarcane (n)corn (c)cotton (t)rice (r)hay (h)hay (h)corn (c)wheat (w)wheat (w)cotton (t)Let U be the smallest possible universal set that includes all of the crops listed; and let A, K, and L be the sets of five crops in Alabama, Arkansas, and Louisiana, respectively. Find the indicated set.A' ? K'

A. {c, n, p, r, t}
B. {n}
C. ?
D. {c, p, r, t}


Answer: B

Mathematics

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A.
B.
C.
D.

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Determine whether (f(g(x)) = x and whether (g (f(x)) = x.f(x) = , g(x) = x

A. No, no B. Yes, yes C. No, yes D. Yes, no

Mathematics