nathanielframes02 nathanielframes02

24-04-2020
Mathematics

contestada

If f(x) = x3 – 2x2, which expression is equivalent to f(i)?
–2 + i
–2 – i
2 + i
2 – i

Respuesta :

surjithayer10 surjithayer10

24-04-2020

Answer:

D

Step-by-step explanation:

f(x)=x³-2x²

f(i)=(i)³-2(i)²=i²×i-2(-1)

=-1×i+2

=2-i

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