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If Sn = 3n^2 – 5n, determine the value of t18.

If Sn = 3n^2 – 5n, determine the value of t18.
asked 80.6k views
2 votes
If Sn = 3n^2 – 5n, determine the value of t18.

asked
User Tarek Ezzat Abdallah
by
7.4k points

1 Answer

6 votes

Answer: 882

Explanation:

S(n) = 3n² - 5n

S(18) = 3(18)² - 5(18)

= 3(324) - 90

= 972 - 90

= 882

answered
User Tim Vermeulen
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