An arithmetic sequence is shown in the graph. 11 (5, 10) 10 9 8 7 6 50 4 3 Y 2 1 • 0 1 2 6 7 8 9 -1 (1, -2) What is the equation for the nth term of the arithmetic sequence? an=-2-3n an=-2 +3(n-1) an=-2 +3n ?? O O an (4,7) (3, 4) (2, 1) 3 4 5 X₂

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