googlze googlze
  • 13-05-2015
  • Mathematics
contestada

f(-2){3x^2-1,x<1}{x+2,x_>+8

Respuesta :

Panoyin
Panoyin Panoyin
  • 18-05-2015
 f(x) = 3x² - 1
f(-2) = 3(-2)² - 1
f(-2) = 3(4) - 1
f(-2) = 12 - 1
f(-2) = 11

 f(x) = x < 1
f(-2) = -2 < 1

 f(x) = x + 2
f(-2) = -2 + 2
f(-2) = 0

f(x) = x ≥ 8
f(-2) = -2 ≠ 8
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