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27-06-2016
Mathematics

contestada

if f(x) = 2x2 - x, find f(-3).

Respuesta :

Kunchan Kunchan

27-06-2016

f(x) = 2x^2 - x
if x=-3

f(-3) = (2*(-3)^2) - (-3)
f(-3) = (2*9) + 3
f(-3) = 18 + 3
f(-3) = 21

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06-05-2020

Answer: 21

Step-by-step explanation: because i got it right

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