F(n)=(n-1)^2+3n, which statement is true? 1) f(3)=-2 2) f(-2)=3 3) f(-2)=-15 4) f(-15)=-2

asked Oct 6, 2024 48.2k views

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F(n)=(n-1)^2+3n, which statement is true?

1) f(3)=-2
2) f(-2)=3
3) f(-2)=-15
4) f(-15)=-2

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Answer:

2)
f(-2)=3

Explanation:

$f(3)=(3-1)^2+3(3)=13 \\ \\ f(-2)=(-2-1)^2+3(-2)=3 \\ \\ f(-15)=(-15-1)^2+3(-15)=211$

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