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ololo11 [35]
3 years ago
14

Which sequence is graphed below?

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0
The answer is:  [A]:   "  aₙ = n – 2 " .
__________________________________________
  Explanation:   "aₙ" represents "y" on the "y-axis". 
                      
                         "n" represents "x" on the "x-axis".
______________________________________
         Considering the answer choices given, one can look at the graph.  When one looks at the graph, when "x = 2, y =0 " ;  or,  when "n = 2, aₙ = 0 ".
   When examining the answer choices, we see that "{Answer choice: [A]" } is the ONLY equation given when these values fit.  Furthermore, by plugging in a few more values on the line, we see that the "equation" in
"{Answer choice [A] }" makes sense.
______________________________________________________
scoundrel [369]3 years ago
7 0
Looking at the chart you see that the initial term is -1 and each successive term is 1 more than the previous one.  The rule for nth term of an arithmetic sequence is:

a(n)=a+d(n-1), a(n)=nth term, a=initial term, d=common  difference, n=term number.

In this case a=-1 and d=1 so

a(n)=-1+1(n-1)

a(n)=-1+n-1

a(n)=n-2

So the correct answer is A)
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