Which function correctly represents the arithmetic sequence {20, 23, 26, 29, 32}? Note: All functions have a domain of the natural numbers.
f(n) = 20
f(n) = 3n + 17
f(n) = n +3
f(n) = 3n + 20
help pleaseee

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

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