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b3hbigcogabbyu
b3hbigcogabbyu b3hbigcogabbyu
  • 27-06-2016
  • Mathematics
Answered

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

Verified Answer :

Kunchan
Kunchan Kunchan
  • 27-06-2016

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

f(-3) = (2(-3)^2) - (-3)
f(-3) = (29) + 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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