ashlyspinelli22 ashlyspinelli22
  • 01-07-2016
  • Mathematics
contestada

P(x) = 3x2 - 7x + 11, find P(9).

Respuesta :

safax
safax safax
  • 01-07-2016
You need to substitute 9 with every x value in the equation. 
So, 3(9)^2-7(9)+11
p(x)= 191
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NiedzielnyMatematyk NiedzielnyMatematyk
  • 03-07-2016
[tex]P(9) = 3\cdot9^2-7\cdot 9 +11 = 3\cdot 81 - 63 +11 = 243-63 + 11 =\\=180+11=191[/tex]
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