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OpenStudy (cjoned340):
Which is a function equivalent to f(n)=(n+2)^2+n^2-4 ? SHOW WORK & EXPLAIN A. f(n)=(n+3)(n+1)-n(n+1) B. f(n)=n^2+2n+2 C. f(n)=(n-1)(n+1)-3 D. f(n)=n(2n+4)
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