Ai = 7 + 2(i +1). What is a4, the fourth term of this arithmetic sequence?

asked Jul 12, 2023 194k views

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For this question you just have to susbtitute 4 wherever you see an i, doing that we get

$a_4=7+2(4+1)\text{ = 7+2}\cdot5=17$

Mr Khan answered Jul 19, 2023

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