ayannastewart699 ayannastewart699
  • 06-11-2020
  • Mathematics
contestada

Evaluate f(9) given the function f(x)=3x2 – 11x - 21*

Respuesta :

Muscardinus Muscardinus
  • 13-11-2020

Answer:

123

Step-by-step explanation:

The given function is :

[tex]f(x)=3x^2 - 11x - 21[/tex]

We need to find the value of f(9). It can be done by putting x = 9 in the above function as follows :

[tex]f(9)=3(9)^2 - 11(9) - 21\\\\=243-99-21\\\\=123[/tex]

So, the value of f(9) is 123.

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