liljokergirl liljokergirl

23-04-2017
Mathematics

contestada

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

–2 + i
–2 – i
2 + i
2 – i

Respuesta :

XxLostAndBrokenxX XxLostAndBrokenxX

23-04-2017

f(i) = i³ - 2(i)²

Use the facts, i³ = -i and i² = -1

f(i) = 2 - i

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haydentkrueger haydentkrueger

22-08-2018

Its letter D on 3dgenuity because i took the test.

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