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5 votes
5 votes
Find f(-5) if f(n) = n^3 + 3n^2

User Duston
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1 Answer

7 votes
7 votes
Plug in -5 for n
-5^3 + 3(-5)^2
-125 + 3(25) = -125 + 75 = -50
f(-5) = -50
User Mayur Kotlikar
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2.6k points