ashlyspinelli22 ashlyspinelli22

01-07-2016
Mathematics

contestada

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

Respuesta :

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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