ephillips91
ephillips91 ephillips91
  • 19-01-2021
  • Mathematics
contestada

please help me! f( x) = -3 x + 7, calculate f(-9)

Respuesta :

abdullahalm2005 abdullahalm2005
  • 19-01-2021
f(x)= -3x+7
-9=-3x+7
3x=7+9
3x=15
x=15/3
x=5
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