blubury blubury

26-01-2021
Mathematics

contestada

I really need help with this pls help me

I really need help with this pls help me class=

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cironochan cironochan

26-01-2021

I think it is the first one -2

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sqdancefan sqdancefan

27-01-2021

9514 1404 393

Answer:

(a) -2

Step-by-step explanation:

Put -1 where x is and do the arithmetic.

f(x) = x³ +2x² -3

f(-1) = (-1)³ +2(-1)² -3

f(-1) = -1 +2 -3 = 1 -3

f(-1) = -2

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