ashypoo123694 ashypoo123694
  • 07-12-2020
  • Mathematics
contestada

f(x) = -3z² – 6x
Find f(-9

Respuesta :

JuliandYaya
JuliandYaya JuliandYaya
  • 07-12-2020

Answer:

Step-by-step explanation:

f(x)=[tex]-3z^{2}[/tex]-6x

f(-9)=[tex]-3z^{2}[/tex]-6(-9)

f(-9)=[tex]-3z^{2}[/tex]+54

-54=[tex]-3z^{2}[/tex]

18=[tex]z^{2}[/tex]

[tex]\sqrt{18}[/tex]=z

3[tex]\sqrt{2}[/tex]=z

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