keshaun200312 keshaun200312
  • 19-02-2018
  • Mathematics
contestada

If f(x) = 3x2 – 12x + 4, find f(–2).

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 19-03-2019

Answer:

40

Step-by-step explanation:

Put -2 where x is and do the arithmetic.

f(-2) = 3(-2)^2 -12(-2) +4

= 3·4 +24 +4

= 12 + 28 = 40

f(-2) = 40

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