Answer:
D
Explanation:
57+(350-1)*9
Each term goes up 9 from the term before it.
Givens
a1 = 57
d = 9
n = 350
an = ?
Formula
an = a1 + (n- 1)*d
Solution
An = 57 + (350 - 1)*9
An = 57 + 3141
An = 3198
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